DSIP
Delta-sleep-inducing peptide
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Product Format |
5mg vials |
Vial Size |
5mg |
Vial Capacity |
3 mL |
Box Combinations |
10mg, 25mg, 50mg |
Cost per milligram |
$6.10 – $7.50 |
Multi-vial Purity |
99.81% |
Endotoxin Screening |
PASSED |
Heavy Metals Screening |
PASSED |
Purity Screening |
PASSED |
Independently Tested |
YES |
Peptide Partners Manufacturer Id: WF03
Batch Id: DS202605
Research Studies
(for research purposes only)
Study 1: Induction of pituitary cell type differentiation by delta sleep-inducing peptide
Authors: A G Héritier, O Stettler, P M Dubois
Source: https://pubmed.ncbi.nlm.nih.gov/8022523/
Scientific Findings
The effects of delta sleep-inducing peptide (DSIP) on pituitary cell differentiation was studied using an in vitro method and immunocytochemical techniques. Pituitary primordia were explanted from 11-day-old rat fetuses and cultured in a synthetic medium enriched with either DSIP at several concentrations, GnRH (10(-9) M) or TRH (10(-9) M). Expression of different pituitary phenotypes was quantified as the percentage of immunoreactive area per section of cultured primordia. Addition of DSIP during the first day of culture induced differentiation of LH and TSH cells only. The effect was dose-dependent. DSIP was less potent than GnRH and as potent as TRH in inducing LH and TSH differentiation. DSIP also induced lactotrope differentiation, but this effect may not be direct. DSIP had no effect on somatotrope and corticotrope differentiation. These results obtained in vitro suggest that DSIP exerts a direct action on the differentiation of several pituitary precursor cells.
Plain English Interpretation
In a laboratory setting, researchers investigated how a substance called delta sleep-inducing peptide (DSIP) affects the development of different cell types in the pituitary gland. They took pituitary glands from rat embryos and grew them in a nutrient-rich liquid, adding DSIP at various concentrations. They found that DSIP specifically triggered the development of cells that produce luteinizing hormone (LH) and thyroid-stimulating hormone (TSH). The more DSIP they added, the greater the effect. While DSIP also seemed to encourage the growth of prolactin-producing cells, this might not be a direct result of DSIP’s action. The study concluded that DSIP directly influences the development of certain types of pituitary cells, suggesting it plays a role in the gland’s formation and function.
Study 2: In-vitro characterization of blood-brain barrier permeability to delta sleep-inducing peptide
Authors: S Raeissi, K L Audus
Source: https://pubmed.ncbi.nlm.nih.gov/2576448/
Scientific Findings
The diffusion of delta sleep-inducing peptide (DSIP) across the blood-brain barrier (BBB) has been investigated with an in-vitro model comprised of primary cultures of brain microvessel endothelial cell (BMEC) monolayers. The BMEC monolayers were mounted in a side-by-side diffusion apparatus and the transendothelial flux of DSIP analysed by HPLC with UV detection at 280 nm. The transendothelial flux of the peptide was linear with time and increasing concentrations of DSIP (non-saturable), but was not altered by reduced temperature. The apparent permeability coefficient for DSIP penetration of BMEC monolayers was in a range similar to water-soluble substances (e.g. fluorescein, fluorescein isothiocyanate dextrans) that penetrate the blood-brain barrier to a limited degree based on molecular weight. DSIP flux across the BMEC monolayers was also found to be bidirectional, insensitive to metabolic inhibitors, and not altered by high concentrations of tryptophan. Little degradation (apparent t1/2 about 10 h) of DSIP to major metabolites, tryptophan (trp) and des-trp DSIP, occurred over the time of the diffusion experiments. The results of these studies support and confirm observations in-vivo indicating that intact DSIP crosses the BBB by simple transmembrane diffusion.
Plain English Interpretation
Scientists created a model of the blood-brain barrier in a lab dish using cells from cow brains to study how a peptide called DSIP crosses it. They found that DSIP can pass through this barrier in both directions, and the amount that gets through increases with higher concentrations of the peptide. The speed at which DSIP crosses is similar to other water-soluble molecules and isn’t affected by temperature or other metabolic processes. The study also showed that DSIP remains largely intact as it crosses the barrier, with very little breaking down into other substances. These findings suggest that DSIP can cross the blood-brain barrier through a simple diffusion process, which helps explain how it can have effects on the brain.
Study 3: Human pheochromocytoma cells studied in culture contain large amounts of DSIP-like material
Authors: Ola Nilsson, Bo Wängberg, Anneli Wigander, Kerstin Lundmark, Annica Dahlström, Håkan Ahlman, Anders Bjartell, Rolf Ekman
Source: https://www.sciencedirect.com/science/article/pii/019697819190063U
Scientific Findings
Delta sleep-inducing peptide (DSIP)-like immunoreactive (LI) material has been detected in nine different human pheochromocytoma tumors by immunocytochemistry. In primary tumors subjected to indirect immunofluorescence a variable number of tumor cells (25–75%) showed positive cytoplasmic labeling after incubation with DSIP antiserum. Tumor cells grown in culture were strongly labeled by the DSIP antiserum with DSIP-LI concentrated to cell bodies. Electron microscopic immunocytochemistry (immunogold labeling) of pheochromocytoma cells demonstrated DSIP-LI over the dense core of secretory granules. The presence of DSIP-LI in several HPLC fractions from conditioned culture media indicates secretion of DSIP-LI from cultured pheochromocytoma cells. The observations suggest that DSIP-LI is synthesized and stored in secretory granules before release. The different HPLC profiles from each of the tumors may reflect differences in processing or turnover of DSIP-LI in pheochromocytoma cells.
Plain English Interpretation
Researchers found a substance similar to delta sleep-inducing peptide (DSIP) in nine different tumors from human adrenal glands. Using special staining techniques, they saw that this DSIP-like material was present in the cytoplasm of the tumor cells. When they grew these tumor cells in a lab dish, the cells were filled with this substance. With a powerful microscope, they could see that the DSIP-like material was stored in tiny sacs inside the cells called secretory granules. They also found that the cells released this substance into the liquid they were growing in. This suggests that the tumor cells make and store this DSIP-like substance before releasing it. The researchers also noticed that the exact form of the substance varied between different tumors, which might mean that it’s processed differently in each case.
DSIP
Delta-sleep-inducing peptide
Save over 40%!
Swipe right to view full table →
Product Format |
5mg vials |
Vial Size |
5mg |
Vial Capacity |
3 mL |
Box Combinations |
10mg, 25mg, 50mg |
Cost per milligram |
$6.10 – $7.50 |
Multi-vial Purity |
99.81% |
Endotoxin Screening |
PASSED |
Heavy Metals Screening |
PASSED |
Purity Screening |
PASSED |
Independently Tested |
YES |
Peptide Partners Manufacturer Id: WF03
Batch Id: DS202605
Research Studies
(for research purposes only)
Study 1: Induction of pituitary cell type differentiation by delta sleep-inducing peptide
Authors: A G Héritier, O Stettler, P M Dubois
Source: https://pubmed.ncbi.nlm.nih.gov/8022523/
Scientific Findings
The effects of delta sleep-inducing peptide (DSIP) on pituitary cell differentiation was studied using an in vitro method and immunocytochemical techniques. Pituitary primordia were explanted from 11-day-old rat fetuses and cultured in a synthetic medium enriched with either DSIP at several concentrations, GnRH (10(-9) M) or TRH (10(-9) M). Expression of different pituitary phenotypes was quantified as the percentage of immunoreactive area per section of cultured primordia. Addition of DSIP during the first day of culture induced differentiation of LH and TSH cells only. The effect was dose-dependent. DSIP was less potent than GnRH and as potent as TRH in inducing LH and TSH differentiation. DSIP also induced lactotrope differentiation, but this effect may not be direct. DSIP had no effect on somatotrope and corticotrope differentiation. These results obtained in vitro suggest that DSIP exerts a direct action on the differentiation of several pituitary precursor cells.
Plain English Interpretation
In a laboratory setting, researchers investigated how a substance called delta sleep-inducing peptide (DSIP) affects the development of different cell types in the pituitary gland. They took pituitary glands from rat embryos and grew them in a nutrient-rich liquid, adding DSIP at various concentrations. They found that DSIP specifically triggered the development of cells that produce luteinizing hormone (LH) and thyroid-stimulating hormone (TSH). The more DSIP they added, the greater the effect. While DSIP also seemed to encourage the growth of prolactin-producing cells, this might not be a direct result of DSIP’s action. The study concluded that DSIP directly influences the development of certain types of pituitary cells, suggesting it plays a role in the gland’s formation and function.
Study 2: In-vitro characterization of blood-brain barrier permeability to delta sleep-inducing peptide
Authors: S Raeissi, K L Audus
Source: https://pubmed.ncbi.nlm.nih.gov/2576448/
Scientific Findings
The diffusion of delta sleep-inducing peptide (DSIP) across the blood-brain barrier (BBB) has been investigated with an in-vitro model comprised of primary cultures of brain microvessel endothelial cell (BMEC) monolayers. The BMEC monolayers were mounted in a side-by-side diffusion apparatus and the transendothelial flux of DSIP analysed by HPLC with UV detection at 280 nm. The transendothelial flux of the peptide was linear with time and increasing concentrations of DSIP (non-saturable), but was not altered by reduced temperature. The apparent permeability coefficient for DSIP penetration of BMEC monolayers was in a range similar to water-soluble substances (e.g. fluorescein, fluorescein isothiocyanate dextrans) that penetrate the blood-brain barrier to a limited degree based on molecular weight. DSIP flux across the BMEC monolayers was also found to be bidirectional, insensitive to metabolic inhibitors, and not altered by high concentrations of tryptophan. Little degradation (apparent t1/2 about 10 h) of DSIP to major metabolites, tryptophan (trp) and des-trp DSIP, occurred over the time of the diffusion experiments. The results of these studies support and confirm observations in-vivo indicating that intact DSIP crosses the BBB by simple transmembrane diffusion.
Plain English Interpretation
Scientists created a model of the blood-brain barrier in a lab dish using cells from cow brains to study how a peptide called DSIP crosses it. They found that DSIP can pass through this barrier in both directions, and the amount that gets through increases with higher concentrations of the peptide. The speed at which DSIP crosses is similar to other water-soluble molecules and isn’t affected by temperature or other metabolic processes. The study also showed that DSIP remains largely intact as it crosses the barrier, with very little breaking down into other substances. These findings suggest that DSIP can cross the blood-brain barrier through a simple diffusion process, which helps explain how it can have effects on the brain.
Study 3: Human pheochromocytoma cells studied in culture contain large amounts of DSIP-like material
Authors: Ola Nilsson, Bo Wängberg, Anneli Wigander, Kerstin Lundmark, Annica Dahlström, Håkan Ahlman, Anders Bjartell, Rolf Ekman
Source: https://www.sciencedirect.com/science/article/pii/019697819190063U
Scientific Findings
Delta sleep-inducing peptide (DSIP)-like immunoreactive (LI) material has been detected in nine different human pheochromocytoma tumors by immunocytochemistry. In primary tumors subjected to indirect immunofluorescence a variable number of tumor cells (25–75%) showed positive cytoplasmic labeling after incubation with DSIP antiserum. Tumor cells grown in culture were strongly labeled by the DSIP antiserum with DSIP-LI concentrated to cell bodies. Electron microscopic immunocytochemistry (immunogold labeling) of pheochromocytoma cells demonstrated DSIP-LI over the dense core of secretory granules. The presence of DSIP-LI in several HPLC fractions from conditioned culture media indicates secretion of DSIP-LI from cultured pheochromocytoma cells. The observations suggest that DSIP-LI is synthesized and stored in secretory granules before release. The different HPLC profiles from each of the tumors may reflect differences in processing or turnover of DSIP-LI in pheochromocytoma cells.
Plain English Interpretation
Researchers found a substance similar to delta sleep-inducing peptide (DSIP) in nine different tumors from human adrenal glands. Using special staining techniques, they saw that this DSIP-like material was present in the cytoplasm of the tumor cells. When they grew these tumor cells in a lab dish, the cells were filled with this substance. With a powerful microscope, they could see that the DSIP-like material was stored in tiny sacs inside the cells called secretory granules. They also found that the cells released this substance into the liquid they were growing in. This suggests that the tumor cells make and store this DSIP-like substance before releasing it. The researchers also noticed that the exact form of the substance varied between different tumors, which might mean that it’s processed differently in each case.
Third-party testing
Peptide Partners is committed to providing high-purity peptides at wholesale prices by frequently auditing its manufacturing partners using third-party laboratories. Independent analysis is vital to ensuring the quality and authenticity of your research peptides. Never trust a supplier that doesn’t submit to third-party testing. Never trust a certification that cannot be independently verified. All of the certificates that we provide can be validated on the third-party laboratory’s website.
Each product description contains a Manufacturer ID corresponding to the producer of that product. The table below contains the most recent third-party analyses for all manufacturers and peptides listed on Peptide Partners.
Current Purity certifications
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| Peptide | Batch Id | Manufacturer | Date | Purity | Laboratory | Double Validated | |
|---|---|---|---|---|---|---|---|
| Kisspeptin-10 | KSS2607 | VI32 | 2026-07-02 | 99.71% | Kovera | View File | |
| Reconstitution Solution | BAC202606 | WF03 | 2026-07-13 | 99.9% | Kovera | View File | |
| Retatrutide | RTT2613 | WF03 | 2026-07-02 | 99.77% | Kovera | View File | |
| PT-141 | PT202605 | VI32 | 2026-06-25 | 99.74% | Kovera | View File | |
| Tesamorelin | TES202607 | WF03 | 2026-06-19 | 99.80% | TrustPointe | View File | |
| KPV | KV202606 | WF03 | 2026-06-12 | 99.36% | TrustPointe | Yes | View File |
| BPC-157 | BC202607 | WF03 | 2026-06-12 | 99.82% | TrustPointe | Yes | View File |
| Ipamorelin | IP202606 | WF03 | 2026-06-12 | 99.98% | TrustPointe | Yes | View File |
| Semaglutide | SM202607 | VI32 | 2026-06-12 | 99.96% | TrustPointe | Yes | View File |
| Retatrutide | RTT202606 | WF03 | 2026-06-12 | 99.36% | Kovera | Yes | View File |
| CJC-1295 ND | CJ202606 | WF03 | 2026-06-10 | 99.88% | TrustPointe | Yes | View File |
| BPC-157 | BC202607 | WF03 | 2026-06-10 | 99.74% | Kovera | Yes | View File |
| Ipamorelin | IP202606 | WF03 | 2026-06-10 | 99.71% | Kovera | Yes | View File |
| Retatrutide | RT202607 | WF03 | 2026-06-09 | 99.76% | Kovera | View File | |
| Tirzepatide | TZ202605 | WF03 | 2026-06-09 | 99.55% | Kovera | Yes | View File |
| Semaglutide | SM202607 | VI32 | 2026-06-10 | 99.68% | Kovera | Yes | View File |
| KPV | KV202606 | WF03 | 2026-06-10 | 99.70% | Kovera | Yes | View File |
| Tirzepatide | TZ202605 | WF03 | 2026-06-10 | 99.34% | TrustPointe | Yes | View File |
| CJC-1295 ND | CJ202606 | WF03 | 2026-06-09 | 99.65% | Kovera | Yes | View File |
| Reconstitution Solution | BAC202603 | VI32 | 2026-06-09 | 99.90% | Kovera | Yes | View File |
| NAD+ | NDB202606 | WF03 | 2026-05-28 | 99.55% | TrustPointe | View File | |
| GHK-Cu | CU202605 | WF03 | 2026-05-13 | 99.67% | TrustPointe | View File | |
| Epithalon | ET202604 | WF03 | 2026-05-13 | 99.86% | Kovera | View File | |
| 5-Amino-1MQ | AM202604 | WF03 | 2026-05-13 | 99.78% | Kovera | Yes | View File |
| 5-Amino-1MQ | AM202604 | WF03 | 2026-05-29 | 99.53% | Chromate | Yes | View File |
| Reconstitution Solution | BAC202603 | VI32 | 2026-06-11 | 99.22% | TrustPointe | Yes | View File |
| MOTS-c | MC202605 | WF03 | 2026-06-08 | 99.98% | TrustPointe | View File | |
| Retatrutide | RTT202606 | WF03 | 2026-06-08 | 99.94% | TrustPointe | Yes | View File |
| TB-500 (TB4) | TB202605 | WF03 | 2026-05-28 | 99.76% | TrustPointe | View File | |
| Tesamorelin | TES202605 | WF03 | 2026-05-28 | 99.81% | TrustPointe | View File | |
| Retatrutide | RT202605 | WF03 | 2026-05-27 | 99.75% | TrustPointe | View File | |
| Reconstitution Solution | BAC202602 | VI32 | 2026-05-14 | 99.90% | Kovera | View File | |
| CJC-1295 ND / Ipamorelin | CJIP202605 | WF03 | 2026-05-14 | 99.93% | TrustPointe | View File | |
| Cagrilintide | CG202607 | WF03 | 2026-05-14 | 99.74% | TrustPointe | View File | |
| BPC-157/TB-500 | BB202605 | VI32 | 2026-05-14 | 99.73% | TrustPointe | Yes | View File |
| GHK-Cu | CU202604 | WF03 | 2026-05-14 | 99.74% | TrustPointe | Yes | View File |
| BPC-157 | BC202604 | VI32 | 2026-05-13 | 99.72% | TrustPointe | Yes | View File |
| CIT: CJC-1295 ND / Ipamorelin / Tesamorelin | CIT202604 | WF03 | 2026-05-07 | 99.82% | Kovera | View File | |
| Tesamorelin | TES202604 | WF03 | 2026-04-21 | 99.85% | Kovera | View File | |
| DSIP | DS202605 | WF03 | 2026-05-07 | 99.81% | Kovera | View File | |
| BPC-157/TB-500 | BB202605 | VI32 | 2026-04-21 | 99.90% | Kovera | Yes | View File |
| KLOW Blend | KW202604 | WF03 | 2026-04-21 | 99.86% | Kovera | View File | |
| AOD-9604 | AO202605 | WF03 | 2026-04-20 | 99.93% | Kovera | View File | |
| Cagrilintide | CG202603 | VI32 | 2026-04-14 | 99.90% | Kovera | View File | |
| MOTS-c | MC202603 | VI32 | 2026-04-04 | 99.96% | Kovera | View File | |
| Retatrutide | RT202604 | WF03 | 2026-04-16 | 99.54% | TrustPointe | View File | |
| Sermorelin | SER202601 | VI32 | 2026-04-01 | 99.94% | Kovera | View File | |
| Pinealon | PN202603 | WF03 | 2026-04-01 | 99.96% | Kovera | View File | |
| GHK-Cu | CU202604 | WF03 | 2026-04-03 | 99.93% | Kovera | Yes | View File |
| SS-31 | SS202601 | WF03 | 2026-04-03 | 99.82% | TrustPointe | View File | |
| Semax | SX202603 | WF03 | 2026-03-31 | 99.91% | Kovera | View File | |
| Retatrutide | RT202603 | WF03 | 2026-03-30 | 99.40% | TrustPointe | View File | |
| GLOW Blend | GW202603 | WF03 | 2026-03-25 | 99.88% | Kovera | View File | |
| Tirzepatide | TZ202603 | VI32 | 2026-03-27 | 99.89% | TrustPointe | View File | |
| BPC-157/TB-500 | BB202604 | WF03 | 2026-03-27 | 99.63% | TrustPointe | View File | |
| Tesamorelin | TES202603 | WF03 | 2026-03-25 | 99.52% | TrustPointe | View File | |
| BPC-157 | BC202604 | VI32 | 2026-03-18 | 99.60% | TrustPointe | Yes | View File |
| Ipamorelin/CJC-1295 (No DAC) | CJIP202602 | WF03 | 2026-02-27 | 99.92% | TrustPointe | View File | |
| Thymosin Alpha-1 | TA202602 | WF03 | 2026-02-25 | 99.95% | Kovera | View File | |
| KLOW | KW202602 | WF03 | 2026-03-01 | 99.86% | Chromate | View File | |
| NAD+ | NDB202601 | VI32 | 2026-02-07 | 99.92% | Kovera | View File | |
| SS-31 | SS202602 | WF03 | 2026-02-08 | 99.68% | Chromate | View File | |
| MOTS-c | MC202602 | WF03 | 2026-02-09 | 99.41% | Chromate | View File | |
| Selank | SEK202601 | VI32 | 2026-01-29 | 99.94% | Chromate | View File | |
| Unbuffered NAD+ | NDU202601 | MZ21 | 2026-01-20 | 99.85% | Chromate | View File | |
| KPV | KV202601 | VI32 | 2026-01-20 | 99.90% | Chromate | View File | |
| Ipamorelin | IP202601 | WF03 | 2026-01-14 | 99.92% | TrustPointe | View File | |
| TB500 (TB4) | TB202601 | WF03 | 2026-01-14 | 99.86% | TrustPointe | View File | |
| Retatrutide | RT202602 | WF03 | 2026-01-13 | 99.63% | TrustPointe | View File | |
| PT-141 | PT202512 | VI32 | 2026-01-12 | 99.89% | BioRegen | View File | |
| Semaglutide | SM202601 | MZ21 | 2026-01-10 | 99.70% | TrustPointe | View File | |
| Cagrilintide | CAG202601 | MZ21 | 2026-01-10 | 99.33% | TrustPointe | View File | |
| Tesamorelin | TES202601 | WF03 | 2025-12-29 | 99.71% | TrustPointe | View File | |
| BPC-157 | BP202512 | WF03 | 2025-12-29 | 99.46% | TrustPointe | View File | |
| BPC-157/TB-500 | BB202512 | WF03 | 2025-12-29 | 99.64% | TrustPointe | View File | |
| GHK-Cu | GK202512 | SH07 | 2025-12-19 | 99.79% | BioRegen | View File | |
| MOTS-c | MC202512 | WF03 | 2025-12-22 | 99.89% | BioRegen | View File | |
| Retatrutide | RP260130 | VI32 | 2025-12-22 | 99.72% | TrustPointe | View File | |
| SS-31 | SS202512 | WF03 | 2025-12-19 | 99.70% | TrustPointe | View File | |
| Retatrutide | RP202601 | DF05 | 2025-12-22 | 99.63% | TrustPointe | View File | |
| Ipamorelin/CJC-1295 (No DAC) | CJIP202512 | WF03 | 2025-12-09 | 99.80% | TrustPointe | View File | |
| Retatrutide | RP202511 | DF05 | 2025-12-19 | 99.73% | TrustPointe | View File | |
| Retatrutide | RP20251020 | DF05 | 2025-11-10 | 99.33% | TrustPointe | View File | |
| Retatrutide | RP20251001 | DF05 | 2025-10-13 | 99.86% | TrustPointe | View File | |
| Tirzepatide | TZ20250915 | DF05 | 2025-10-03 | 99.74% | TrustPointe | View File | |
| Retatrutide | RP20250929 | VI32 | 2025-10-03 | 99.47% | TrustPointe | View File | |
| Humanin | HP20250805 | WF03 | 2025-09-19 | 99.92% | BioRegen | View File | |
| MOTS-c | YC20250807 | WF03 | 2025-09-19 | 99.87% | BioRegen | View File | |
| DSIP | DS20250820 | SH07 | 2025-09-19 | 99.88% | BioRegen | View File | |
| SS-31 | SY20250806 | WF03 | 2025-09-19 | 99.70% | BioRegen | View File | |
| CJC/Ipamorelin | CI20250805 | WF03 | 2025-09-11 | 99.84% | TrustPointe | View File | |
| BPC-157 | BP20250808 | WF03 | 2025-09-05 | 99.99% | TrustPointe | View File | |
| Sermorelin | SM20250723 | WF03 | 2025-08-27 | 99.84% | BioRegen | View File | |
| Tesamorelin | TS20250722 | WF03 | 2025-08-22 | 99.10% | TrustPointe | View File | |
| CJC-1295 ND | CJ20250724 | WF03 | 2025-08-20 | 99.43% | TrustPointe | View File | |
| Semaglutide | SM20250801 | EJ12 | 2025-08-20 | 99.34% | TrustPointe | View File | |
| Ipamorelin | IP20250721 | WF03 | 2025-08-15 | 99.64% | TrustPointe | View File | |
| GHK-Cu | CU20250717 | SH07 | 2025-08-09 | 99.73% | BioRegen | View File | |
| Tirzepatide | TZ20250730 | EJ12 | 2025-08-08 | 99.41% | TrustPointe | View File | |
| NAD+ | ND20250503 | SH07 | 2025-07-31 | 99.76% | BioRegen | View File | |
| VIP | VP20250511 | SH07 | 2025-07-31 | 99.42% | BioRegen | View File | |
| Retatrutide | CD20250708 | SH07 | 2025-07-25 | 99.42% | TrustPointe | View File | |
| BPC/TB500 | BB20250630 | SH07 | 2025-07-17 | 99.52% | TrustPointe | View File | |
| TB500 (TB4) | TB20250614 | SH07 | 2025-07-17 | 99.68% | TrustPointe | View File |
Current Endotoxin Certifications
Swipe right to view full table →
| Peptide | Batch Id | Manufacturer | Date | USP Conformation | Laboratory | |
|---|---|---|---|---|---|---|
| Kisspeptin-10 | KSS2607 | VI32 | 2026-06-30 | Conforms | Kovera | View File |
| Reconstitution Solution | BAC202606 | WF03 | 2026-07-13 | Conforms | Kovera | View File |
| Retatrutide | RTT2613 | WF03 | 2026-06-30 | Conforms | Kovera | View File |
| Tesamorelin | TES202607 | WF03 | 2026-06-22 | Conforms | TrustPointe | View File |
| CJC-1295 ND | CJ202606 | WF03 | 2026-06-15 | Conforms | TrustPointe | View File |
| PT-141 | PT202605 | VI32 | 2026-06-12 | Conforms | Kovera | View File |
| Retatrutide | RTT202606 | WF03 | 2026-06-12 | Conforms | Kovera | View File |
| MOTS-c | MC202605 | WF03 | 2026-06-11 | Conforms | TrustPointe | View File |
| Semaglutide | SM202607 | VI32 | 2026-06-10 | Conforms | Kovera | View File |
| Ipamorelin | IP202606 | WF03 | 2026-06-10 | Conforms | Kovera | View File |
| KPV | KV202606 | WF03 | 2026-06-10 | Conforms | Kovera | View File |
| BPC-157 | BC202607 | WF03 | 2026-06-10 | Conforms | Kovera | View File |
| Retatrutide | RT202607 | WF03 | 2026-06-09 | Conforms | Kovera | View File |
| Tirzepatide | TZ202605 | WF03 | 2026-06-09 | Conforms | Kovera | View File |
| Reconstitution Solution | BAC202603 | VI32 | 2026-06-09 | Conforms | Kovera | View File |
| Reconstitution Solution | BAC202603 | VI32 | 2026-06-11 | Conforms | TrustPointe | View File |
| Epithalon | ET202604 | WF03 | 2026-05-13 | Conforms | Kovera | View File |
| 5-Amino-1MQ | AM202604 | WF03 | 2026-05-13 | Conforms | Kovera | View File |
| NAD+ | NDB202606 | WF03 | 2026-05-28 | Conforms | TrustPointe | View File |
| TB-500 (TB4) | TB202605 | WF03 | 2026-05-28 | Conforms | TrustPointe | View File |
| Tesamorelin | TES202605 | WF03 | 2026-05-28 | Conforms | TrustPointe | View File |
| Retatrutide | RT202605 | WF03 | 2026-05-27 | Conforms | TrustPointe | View File |
| CJC-1295 ND / Ipamorelin | CJIP202605 | WF03 | 2026-05-14 | Conforms | TrustPointe | View File |
| GHK-Cu | CU202605 | WF03 | 2026-05-18 | Conforms | TrustPointe | View File |
| Cagrilintide | CG202607 | WF03 | 2026-05-18 | Conforms | TrustPointe | View File |
| CIT: CJC-1295 ND / Ipamorelin / Tesamorelin | CIT202604 | WF03 | 2026-05-07 | Conforms | Kovera | View File |
| Tesamorelin | TES202604 | WF03 | 2026-04-21 | Conforms | Kovera | View File |
| DSIP | DS202605 | WF03 | 2026-05-07 | Conforms | Kovera | View File |
| BPC-157/TB-500 | BB202605 | VI32 | 2026-04-21 | Conforms | Kovera | View File |
| KLOW Blend | KW202604 | WF03 | 2026-04-21 | Conforms | Kovera | View File |
| AOD-9604 | AO202605 | WF03 | 2026-04-20 | Conforms | Kovera | View File |
| Retatrutide | RT202604 | WF03 | 2026-04-16 | Conforms | TrustPointe | View File |
| MOTS-c | MC202603 | VI32 | 2026-04-04 | Conforms | Kovera | View File |
| Pinealon | PN202603 | WF03 | 2026-04-01 | Conforms | Kovera | View File |
| Cagrilintide | CG202603 | VI32 | 2026-04-14 | Conforms | Kovera | View File |
| Sermorelin | SER202601 | VI32 | 2026-04-01 | Conforms | Kovera | View File |
| GHK-Cu | CU202604 | WF03 | 2026-04-03 | Conforms | Kovera | View File |
| SS-31 | SS202601 | WF03 | 2026-04-03 | Conforms | TrustPointe | View File |
| Semax | SX202603 | WF03 | 2026-03-31 | Conforms | Kovera | View File |
| Retatrutide | RT202603 | WF03 | 2026-03-30 | Conforms | TrustPointe | View File |
| GLOW Blend | GW202603 | WF03 | 2026-03-25 | Conforms | Kovera | View File |
| Tirzepatide | TZ202603 | VI32 | 2026-03-27 | Conforms | TrustPointe | View File |
| BPC-157/TB-500 | BB202604 | WF03 | 2026-03-26 | Conforms | TrustPointe | View File |
| Tesamorelin | TES202603 | WF03 | 2026-03-25 | Conforms | TrustPointe | View File |
| SS-31 | SS202602 | WF03 | 2026-02-25 | Conforms | Kovera | View File |
| CJC-1295 ND/Ipamorelin | CJIP202602 | WF03 | 2026-02-25 | Conforms | Kovera | View File |
| KLOW Blend | KW202602 | WF03 | 2026-02-25 | Conforms | Kovera | View File |
| BPC-157 | BC202604 | WF03 | 2026-03-17 | Conforms | Kovera | View File |
| Thymosin Alpha-1 | TA202601 | WF03 | 2026-02-25 | Conforms | Kovera | View File |
| MOTS-c | MC202602 | WF03 | 2026-02-08 | Conforms | Kovera | View File |
| NAD+ | NDB202601 | VI32 | 2026-02-08 | Conforms | Kovera | View File |
| Unbuffered NAD+ | NDU202601 | MZ21 | 2026-01-28 | Conforms | TrustPointe | View File |
| KPV | KV202601 | VI32 | 2026-01-28 | Conforms | TrustPointe | View File |
| Ipamorelin | IP202601 | WF03 | 2026-01-13 | Conforms | TrustPointe | View File |
| TB500 | TB202601 | WF03 | 2026-01-13 | Conforms | TrustPointe | View File |
| Retatrutide | RT202602 | WF03 | 2026-01-13 | Conforms | TrustPointe | View File |
| PT-141 | PT202512 | VI32 | 2026-01-07 | Conforms | BioRegen | View File |
| Semaglutide | SM202601 | MZ21 | 2026-01-10 | Conforms | TrustPointe | View File |
| Cagrilintide | CAG202601 | MZ21 | 2026-01-10 | Conforms | TrustPointe | View File |
| Tesamorelin | TES202601 | WF03 | 2026-01-06 | Conforms | TrustPointe | View File |
| BPC-157 | BP202512 | WF03 | 2025-12-30 | Conforms | TrustPointe | View File |
| BPC-157/TB-500 | BB202512 | WF03 | 2025-12-30 | Conforms | TrustPointe | View File |
| Retatrutide | RP260130 | DF05 | 2025-12-22 | Conforms | TrustPointe | View File |
| SS-31 | SS202512 | WF03 | 2025-12-19 | Conforms | TrustPointe | View File |
| Retatrutide | RP202601 | DF05 | 2025-12-22 | Conforms | TrustPointe | View File |
| Ipamorelin/CJC-1295 (No DAC) | CJIP202512 | WF03 | 2025-12-08 | Conforms | TrustPointe | View File |
| Retatrutide | RP202511 | DF05 | 2025-11-10 | Conforms | TrustPointe | View File |
| Retatrutide | RP20251020 | DF05 | 2025-11-10 | Conforms | TrustPointe | View File |
| Retatrutide | RP20251001 | DF05 | 2025-10-13 | Conforms | TrustPointe | View File |
| Tirzepatide | TZ20250915 | DF05 | 2025-10-03 | Conforms | TrustPointe | View File |
| Retatrutide | RP20250929 | VI32 | 2025-10-03 | Conforms | TrustPointe | View File |
| Humanin | HP20250805 | WF03 | 2025-09-19 | Conforms | BioRegen | View File |
| MOTS-c | YC20250807 | WF03 | 2025-09-19 | Conforms | BioRegen | View File |
| DSIP | DS20250820 | SH07 | 2025-09-19 | Conforms | BioRegen | View File |
| SS-31 | SY20250806 | WF03 | 2025-09-19 | Conforms | BioRegen | View File |
| CJC/Ipamorelin | CI20250805 | WF03 | 2025-09-03 | Conforms | TrustPointe | View File |
| BPC-157 | BP20250808 | WF03 | 2025-09-03 | Conforms | TrustPointe | View File |
| Bacteriostatic Water | BAC20250807 | SH07 | 2025-08-27 | Conforms | BioRegen | View File |
| Tesamorelin | TS20250722 | WF03 | 2025-08-20 | Conforms | TrustPointe | View File |
| CJC-1295 ND | CJ20250724 | WF03 | 2025-08-20 | Conforms | TrustPointe | View File |
| Sermorelin | SM20250723 | WF03 | 2025-08-20 | Conforms | TrustPointe | View File |
| Semaglutide | SM20250801 | EJ12 | 2025-08-20 | Conforms | TrustPointe | View File |
| Ipamorelin | IP20250721 | WF03 | 2025-08-11 | Conforms | TrustPointe | View File |
| GHK-Cu | CU20250717 | SH07 | 2025-08-08 | Conforms | TrustPointe | View File |
| Tirzepatide | TZ20250730 | EJ12 | 2025-08-04 | Conforms | TrustPointe | View File |
| NAD+ | ND20250503 | SH07 | 2025-07-29 | Conforms | TrustPointe | View File |
| VIP | VP20250511 | SH07 | 2025-07-29 | Conforms | TrustPointe | View File |
| Retatrutide | CD20250708 | SH07 | 2025-07-24 | Conforms | TrustPointe | View File |
| BPC/TB500 | BB20250630 | SH07 | 2025-07-17 | Conforms | TrustPointe | View File |
| TB500 (TB4) | TB20250614 | SH07 | 2025-07-17 | Conforms | TrustPointe | View File |
Current Heavy Metal Certifications
Swipe right to view full table →
| Peptide | Batch Id | Manufacturer | Date | Class 1 USP | Full USP | Laboratory |
|---|---|---|---|---|---|---|
| Kisspeptin-10 | KSS2607 | VI32 | 2026-07-01 | Conforms | Kovera | View File |
| Retatrutide | RTT2613 | WF03 | 2026-07-01 | Conforms | Kovera | View File |
| Ipamorelin | IP202606 | WF03 | 2026-06-26 | Conforms | TrustPointe | View File |
| KPV | KV202606 | WF03 | 2026-06-26 | Conforms | TrustPointe | View File |
| BPC-157 | BC202607 | WF03 | 2026-06-26 | Conforms | TrustPointe | View File |
| Tesamorelin | TES202607 | WF03 | 2026-06-26 | Conforms | TrustPointe | View File |
| Semaglutide | SM202607 | VI32 | 2026-06-25 | Conforms | TrustPointe | View File |
| CJC-1295 ND | CJ202606 | WF03 | 2026-06-25 | Conforms | TrustPointe | View File |
| Retatrutide | RT202607 | WF03 | 2026-06-25 | Conforms | TrustPointe | View File |
| Tirzepatide | TZ202605 | WF03 | 2026-06-25 | Conforms | TrustPointe | View File |
| Retatrutide | RTT202606 | WF03 | 2026-06-25 | Conforms | TrustPointe | View File |
| MOTS-c | MC202605 | WF03 | 2026-06-25 | Conforms | TrustPointe | View File |
| PT-141 | PT202605 | VI32 | 2026-06-13 | Conforms | Kovera | View File |
| Retatrutide | RTT202606 | WF03 | 2026-06-12 | Conforms | Kovera | View File |
| Semaglutide | SM202607 | VI32 | 2026-06-11 | Conforms | Kovera | View File |
| Ipamorelin | IP202606 | WF03 | 2026-06-11 | Conforms | Kovera | View File |
| KPV | KV202606 | WF03 | 2026-06-11 | Conforms | Kovera | View File |
| BPC-157 | BC202607 | WF03 | 2026-06-11 | Conforms | Kovera | View File |
| Retatrutide | RT202607 | WF03 | 2026-06-11 | Conforms | Kovera | View File |
| Tirzepatide | TZ202605 | WF03 | 2026-06-10 | Conforms | Kovera | View File |
| Epithalon | ET202604 | WF03 | 2026-05-14 | Conforms | Kovera | View File |
| 5-Amino-1MQ | AM202604 | WF03 | 2026-05-14 | Conforms | Kovera | View File |
| NAD+ | NDB202606 | WF03 | 2026-06-05 | Conforms | TrustPointe | View File |
| Tesamorelin | TES202605 | WF03 | 2026-06-05 | Conforms | TrustPointe | View File |
| Retatrutide | RT202605 | WF03 | 2026-06-05 | Conforms | TrustPointe | View File |
| TB-500 | TB202605 | WF03 | 2026-06-05 | Conforms | TrustPointe | View File |
| GHK-Cu | CU202605 | WF03 | 2026-05-26 | Conforms | TrustPointe | View File |
| CJC-1295 ND / Ipamorelin | CJIP202605 | WF03 | 2026-05-26 | Conforms | TrustPointe | View File |
| Cagrilintide | CG202607 | WF03 | 2026-05-26 | Conforms | TrustPointe | View File |
| SS-31 | SS202602 | WF03 | 2026-05-24 | Conforms | TrustPointe | View File |
| AOD-9604 | AO202605 | WF03 | 2026-05-24 | Conforms | TrustPointe | View File |
| GLOW Blend | GW202603 | WF03 | 2026-05-24 | Conforms | TrustPointe | View File |
| KLOW Blend | KW202602 | WF03 | 2026-05-24 | Conforms | TrustPointe | View File |
| CJC-1295 ND / Ipamorelin | CJIP202605 | WF03 | 2026-05-16 | Conforms | Kovera | View File |
| Cagrilintide | CG202607 | WF03 | 2026-05-16 | Conforms | Kovera | View File |
| CIT: CJC-1295 ND / Ipamorelin / Tesamorelin | CIT202604 | WF03 | 2026-04-26 | Conforms | Kovera | View File |
| Tesamorelin | TES202604 | WF03 | 2026-04-22 | Conforms | Kovera | View File |
| Pinealon | PN202603 | WF03 | 2026-05-05 | Conforms | TrustPointe | View File |
| Semax | SX202603 | WF03 | 2026-05-05 | Conforms | TrustPointe | View File |
| MOTS-c | MC202602 | WF03 | 2026-05-05 | Conforms | TrustPointe | View File |
| Cagrilintide | CG202603 | VI32 | 2026-05-05 | Conforms | TrustPointe | View File |
| SS-31 | SS202601 | WF03 | 2026-05-05 | Conforms | TrustPointe | View File |
| CJC-1295 ND/Ipamorelin | CJIP202602 | WF03 | 2026-05-05 | Conforms | TrustPointe | View File |
| DSIP | DS202605 | WF03 | 2026-04-24 | Conforms | Kovera | View File |
| BPC-157/TB-500 | BB202605 | VI32 | 2026-04-21 | Conforms | Kovera | View File |
| KLOW Blend | KW202604 | WF03 | 2026-04-21 | Conforms | Kovera | View File |
| Retatrutide | RT202604 | WF03 | 2026-04-22 | Conforms | Kovera | View File |
| AOD-9604 | AO202605 | WF03 | 2026-04-20 | Conforms | Kovera | View File |
| SS-31 | SS202601 | WF03 | 2026-04-02 | Conforms | Kovera | View File |
| BPC-157/TB-500 | BB202604 | WF03 | 2026-04-03 | Conforms | TrustPointe | View File |
| Cagrilintide | CG202603 | VI32 | 2026-03-31 | Conforms | Kovera | View File |
| Pinealon | PN202603 | WF03 | 2026-04-01 | Conforms | Kovera | View File |
| GLOW Blend | GW202603 | WF03 | 2026-04-01 | Conforms | Kovera | View File |
| KLOW Blend | KW202602 | WF03 | 2026-04-01 | Conforms | Kovera | View File |
| CJC-1295 ND/Ipamorelin | CJIP202602 | WF03 | 2026-04-01 | Conforms | Kovera | View File |
| SS-31 | SS202602 | WF03 | 2026-04-01 | Conforms | Kovera | View File |
| MOTS-c | MC202602 | WF03 | 2026-04-01 | Conforms | Kovera | View File |
| Tesamorelin | TES202603 | WF03 | 2026-04-03 | Conforms | TrustPointe | View File |
| Sermorelin | SER202601 | VI32 | 2026-03-29 | Conforms | Kovera | View File |
| MOTS-c | MC202603 | VI32 | 2026-04-01 | Conforms | Kovera | View File |
| Retatrutide | RT202603 | WF03 | 2026-04-03 | Conforms | TrustPointe | View File |
| Semax | SX202603 | WF03 | 2026-03-31 | Conforms | Kovera | View File |
| GLOW Blend | GW202603 | WF03 | 2026-03-26 | Conforms | Kovera | View File |
| Tirzepatide | TZ202603 | VI32 | 2026-03-26 | Conforms | Kovera | View File |
| BPC-157 | BC202604 | WF03 | 2026-03-17 | Conforms | Kovera | View File |
| Thymosin Alpha-1 | TA202602 | WF03 | 2026-02-25 | Conforms | Kovera | View File |
| NAD+ | NDB202601 | VI32 | 2026-02-08 | Conforms | Kovera | View File |
| Ipamorelin | IP202601 | WF03 | 2026-01-26 | Conforms | TrustPointe | View File |
| TB500 | TB202601 | WF03 | 2026-01-26 | Conforms | TrustPointe | View File |
| Retatrutide | RT202602 | WF03 | 2026-01-26 | Conforms | TrustPointe | View File |
| Semaglutide | SM202601 | MZ21 | 2026-01-19 | Conforms | TrustPointe | View File |
| Cagrilintide | CAG202601 | MZ21 | 2026-01-19 | Conforms | TrustPointe | View File |
| Tesamorelin | TES202601 | WF03 | 2026-01-19 | Conforms | TrustPointe | View File |
| BPC-157 | BP202512 | WF03 | 2026-01-08 | Conforms | TrustPointe | View File |
| BPC-157/TB-500 | BB202512 | WF03 | 2026-01-08 | Conforms | TrustPointe | View File |
| Tirzepatide | TZ20250915 | DF05 | 2025-12-03 | Conforms | TrustPointe | View File |
| TB500 (TB4) | TB20250614 | SH07 | 2025-11-24 | Conforms | TrustPointe | View File |
| BPC-157 | BP20250808 | WF03 | 2025-11-12 | Conforms | TrustPointe | View File |
| BPC/TB500 | BB20250630 | SH07 | 2025-11-12 | Conforms | TrustPointe | View File |
| CJC-1295 ND | CJ20250724 | WF03 | 2025-11-12 | Conforms | TrustPointe | View File |
| GHK-Cu | CU20250717 | SH07 | 2025-11-12 | Conforms | TrustPointe | View File |
| Ipamorelin | IP20250721 | WF03 | 2025-11-12 | Conforms | TrustPointe | View File |
| Retatrutide | RP20251020 | DF05 | 2025-11-12 | Conforms | TrustPointe | View File |
| Sermorelin | SM20250723 | WF03 | 2025-11-12 | Conforms | TrustPointe | View File |
| SS-31 | SY20250806 | WF03 | 2025-11-12 | Conforms | TrustPointe | View File |
| TB500 (TB4) | TB20250614 | SH07 | 2025-11-12 | Conforms | TrustPointe | View File |
| Tesamorelin | TS20250722 | WF03 | 2025-11-12 | Conforms | TrustPointe | View File |
| Tirzepatide | TZ20250730 | EJ12 | 2025-11-12 | Conforms | TrustPointe | View File |
Current Sterility Certifications
Swipe right to view full table →
| Product | Batch Id | Manufacturer | Date | USP Pass/Fail | Rapid Pass/Fail | Laboratory | File |
|---|---|---|---|---|---|---|---|
| Kisspeptin-10 | KSS2607 | VI32 | 2026-06-30 | Pass | Kovera | View File | |
| Retatrutide | RTT2613 | WF03 | 2026-06-30 | Pass | Kovera | View File | |
| CJC-1295 ND | CJ202606 | WF03 | 2026-06-26 | Pass | TrustPointe | View File | |
| Ipamorelin | IP202606 | WF03 | 2026-06-26 | Pass | TrustPointe | View File | |
| Reconstitution Solution | BAC202603 | VI32 | 2026-06-26 | Pass | TrustPointe | View File | |
| MOTS-c | MC202605 | WF03 | 2026-06-23 | Pass | TrustPointe | View File | |
| NAD+ | NDB202606 | WF03 | 2026-06-15 | Pass | TrustPointe | View File | |
| Tesamorelin | TES202605 | WF03 | 2026-06-15 | Pass | TrustPointe | View File | |
| Retatrutide | RTT202606 | WF03 | 2026-06-12 | Pass | Kovera | View File | |
| PT-141 | PT202605 | VI32 | 2026-06-12 | Pass | Kovera | View File | |
| Semaglutide | SM202607 | VI32 | 2026-06-10 | Pass | Kovera | View File | |
| Ipamorelin | IP202606 | WF03 | 2026-06-10 | Pass | Kovera | View File | |
| KPV | KV202606 | WF03 | 2026-06-10 | Pass | Kovera | View File | |
| BPC-157 | BC202607 | WF03 | 2026-06-10 | Pass | Kovera | View File | |
| Retatrutide | RT202605 | WF03 | 2026-06-12 | Pass | Kovera | View File | |
| CJC-1295 ND | CJ202606 | WF03 | 2026-06-09 | Pass | Kovera | View File | |
| Retatrutide | RT202607 | WF03 | 2026-06-09 | Pass | Kovera | View File | |
| Tirzepatide | TZ202605 | WF03 | 2026-06-09 | Pass | Kovera | View File | |
| Epithalon | ET202604 | WF03 | 2026-05-14 | Pass | Kovera | View File | |
| GHK-Cu | CU202605 | WF03 | 2026-05-29 | Pass | TrustPointe | View File | |
| Epithalon | ET202604 | WF03 | 2026-05-14 | Pass | Kovera | View File | |
| 5-Amino-1MQ | AM202604 | WF03 | 2026-05-14 | Pass | Kovera | View File | |
| Reconstitution Solution | BAC202602 | VI32 | 2026-05-14 | Pass | Kovera | View File | |
| CJC-1295 ND / Ipamorelin | CJIP202605 | WF03 | 2026-05-14 | Pass | Kovera | View File | |
| Cagrilintide | CG202607 | VI32 | 2026-05-14 | Pass | Kovera | View File | |
| CIT: CJC-1295 ND / Ipamorelin / Tesamorelin | CIT202604 | WF03 | 2026-05-07 | Pass | Kovera | View File | |
| DSIP | DS202605 | WF03 | 2026-05-07 | Pass | – | Kovera | View File |
| BPC-157/TB-500 | BB202605 | VI32 | 2026-04-21 | Pass | Kovera | View File | |
| Retatrutide | RT202604 | WF03 | 2026-04-22 | Pass | – | Kovera | View File |
| KLOW Blend | KW202604 | WF03 | 2026-04-21 | – | Pass | Kovera | View File |
| AOD-9604 | AO202605 | WF03 | 2026-04-20 | – | Pass | Kovera | View File |
| Cagrilintide | CG202603 | VI32 | 2026-04-12 | Pass | – | Kovera | View File |
| SS-31 | SS202601 | WF03 | 2026-04-12 | – | Pass | Kovera | View File |
| MOTS-c | MC202603 | VI32 | 2026-04-04 | Pass | – | Kovera | View File |
| Bacteriostatic Water | BAC202601 | WF03 | 2026-01-13 | Pass | – | TrustPointe | View File |
| Bacteriostatic Water | BAC20250807 | SH07 | 2025-09-09 | Pass | – | TrustPointe | View File |
| Meta-Z | MZR20250713 | DF05 | 2025-08-26 | Pass | – | TrustPointe | View File |
Verifiable certificates
When obtaining research peptides, it is essential to validate the authenticity of the Certificate of Analysis (COA). Certificate fraud runs rampant throughout the research peptide supply community. The two most common forms are doctored images and stolen certificates. You can check for these two by making sure the third-party laboratory’s website shows that the certificate belongs to the supplier and the values haven’t been doctored. TrustPointe Analytics provides a few simple rules for verification:
When obtaining research peptides, it is essential to validate the authenticity of the Certificate of Analysis (COA). Certificate fraud runs rampant throughout the research peptide supply community. The two most common forms are doctored images and stolen certificates. You can check for these two by making sure the third-party laboratory’s website shows that the certificate belongs to the supplier and the values haven’t been doctored. TrustPointe Analytics provides a few simple rules for verification:
Beware of fraudulent laboratories
Not only must one remain vigilant about potentially fraudulent certificates, one must also be aware that there are third-party laboratories whose results cannot be considered reliable or scientifically valid. Unfortunately, there is significant evidence to suggest that one of the most popular third-party testing labs does not use scientifically sound methodologies and, in some cases, has fabricated results. There isn’t an easy remedy for this problem, but when labs are particularly bad, there tend to be a lot of discussion threads on various social platforms.
Interpreting Endotoxin Results (via TrustPointe)
Our friends at TrustPointe have provided the following detailed explanation to help interpret the results of the endotoxin testing.
We use the Charles River Endosafe PTS system to test for bacterial endotoxins following USP <85> guidelines:
- USP <85> Bacterial Endotoxin Result: <x.xx EU/mL
Because it’s reported as “<x.xx” this indicates the test did not detect endotoxin above the detection limit of the cartridge. - If a result is above the limit of detection of the cartridge, it will be reported as a number (without the “<“).
The following are suitability parameters that verify the system was working properly and the sample prep dilution is appropriate for accurate results. Peptides often interfere with endotoxin detection due to their tendency to bind or mask endotoxins, which can lead to inaccurate low results. To overcome this, samples are typically tested at a large dilution to reduce matrix interference and ensure reliable recovery and detection in compliance with USP <85>. If the dilution is not correct, the run will fail suitability and we’ll need to adjust the dilution to ensure accurate results. We provide the suitability data to customers for transparency and so they can be confident in the results.
USP <85> Sample CV %:
- CV stands for coefficient of variation, a measure of repeatability.
- For our lab, CV has to be <25% or the result to be considered valid
USP <85> Spike CV %:
- This refers to the precision of the positive control (spiked sample).
- Again, for our lab CV has to be <25% or the result to be considered valid
USP <85> Spike Recovery
- This tells us how much of the known endotoxin spike was recovered from your sample.
- The acceptable range is 50–200% per USP <85>
NOT SUITABLE FOR HUMAN CONSUMPTION – INTENDED FOR RESEARCH ONLY
Thank you for choosing Peptide Partners.
NOTICE: All information provided above is strictly intended for educational and informational purposes. Our products are designed for research use solely and are not approved for human consumption. Please refrain from any form of ingestion.
By making a purchase from Peptide Partners, you acknowledge that you are acquiring Research Chemicals. Our products are exclusively intended for laboratory research purposes.
It is imperative that only qualified and licensed professionals handle this product. Under no circumstances should it be utilized as a drug, agricultural or pesticide product, food additive, or household chemical. Misrepresentation of this product for such purposes is strictly prohibited by law. All content on our website is provided for educational use exclusively. Any form of introduction into the human or animal body is illegal.



