Peptide Partners is a US research-peptide vendor based in Sarasota, FL that lists 85 injectable peptides, including Retatrutide, 5-Amino-1MQ and CJC-1295 (no DAC). Across 11 products with a market median, its prices sit 3% above the median for the same peptide and vial size; it is the cheapest vendor we track on Retatrutide, and pricier on DSIP and 5-Amino-1MQ. We found certificates for most of the in-stock products we track. Based on the certificates our crawler found; vendors may publish more than we index.
Facts extracted from the vendor’s site and not yet reviewed by us.
COA coverage: Broad
We found certificates for most of the in-stock products we track. Based on the certificates our crawler found; vendors may publish more than we index.
from 81 indexed documents
current certificates, by the date printed on them
Kovera Labs signs the most of them
oldest Jan 29, 2026
Peptide Partners states it frequently audits manufacturing partners using third-party laboratories and maintains published certificate records covering purity, endotoxin, heavy-metal, and sterility testing.
$4.11/mg median
▼ 82%
Median price per mg across Peptide Partners’s 16-86 priced listings, from Jul 18 ($23.45/mg) to Oct 15 ($4.11/mg) over 86 observed days. The mix of products behind the median changes as listings come and go, so this tracks the catalog as well as the prices.
6 of Peptide Partners’s tracked listings changed price in the last 30 days: 6 down, 0 up.
International
3% above
vs market median
24
peptides
Broad
in-stock products
Oct 15
International
3% above
vs market median
52
peptides
Partial
in-stock products
Oct 15
International
1% below
vs market median
54
peptides
Broad
in-stock products
Oct 15
International
18% below
vs market median
52
peptides
None found
in-stock products
Oct 15
Peptide Partners sits 3% above market the tracked market median on matched peptide/size rows. The catalog in this index is smaller than Nationwide Peptides's. On COA coverage, Peptide Partners rates broad and Nationwide Peptides rates partial. Based on the certificates our crawler found; vendors may publish more than we index.
The honest comparison unit is price per mg on matched peptide/size rows. COA coverage is presence of a current indexed document, not purity-as-quality. See the Evidence Atlas and how to read a COA.
Evidence boundary: Listed prices, stock signals, and indexed COA documents are observations. They do not establish legitimacy, authenticity, safety, sterility, chain of custody, product quality, fulfillment, or suitability. No vendor is endorsed.
Pricing data cannot settle that question, and we do not test products or verify fulfillment. Here is the evidence we do hold for Peptide Partners. We found certificates for most of the in-stock products we track. Those certificates were signed by 3 labs, the newest tested October 1, 2026. Based on the certificates our crawler found; vendors may publish more than we index. We have been recording their prices since July 3, 2026. Read each certificate yourself, check that its lot and compound match what you are buying, and treat anything we have not recorded as unknown rather than as an answer.
We found certificates for most of the in-stock products we track. The freshest was tested October 1, 2026. Based on the certificates our crawler found; vendors may publish more than we index. Their own testing page is at https://peptide.partners. A certificate on file records what a document says; it cannot prove chain of custody or what is in the vial you receive.
Peptide Partners states that orders ship from Sarasota, FL, US. This is what the vendor says about itself, not something we have verified.
We have not recorded a shipping cost for Peptide Partners. Their shipping page is at https://peptide.partners. Checkout is the only place these figures are binding.
We have none on record for Peptide Partners. When a code we can verify appears, it shows on this page and the prices here are adjusted for it; until then, every figure on this page is the list price.
Across 11 graded products, Peptide Partners's median price per mg sits 2.5% above the median for the same peptide at the same vial size. We track 24 products from them in total. Price per mg is the comparison unit: a cheaper vial holding less is not a cheaper product.
Product documentation
Across the tracked peptide products we hold for Peptide Partners, COA coverage rates broad. The public index contains 81 documents. Reported test dates in this set run from Jan 29, 2026 through Oct 1, 2026. That rating covers the full tracked catalogue for Peptide Partners, including products that are currently out of stock, so it can differ from the in-stock rating above. Based on the certificates our crawler found; vendors may publish more than we index.
across the full tracked catalogue
current certificates, by the printed test date.
Printed date is over 18 months old.
Named on more current records than any other lab.
Certificate assessment
9 evaluated certificates
9 graded · 0 not graded · 3 in the A range.
The sample prioritizes up to ten popular peptides from this vendor. Grades assess the document and its reported tests, not the vendor’s whole catalog or the safety of a product.
Automated checks can make mistakes. Open “Why this result?” for the reason and any review notice, and check the linked COA’s lot against your product. How grading works
9 evaluated records
Document grade
C10: No endotoxin (bacterial toxin) test is reported, and an injectable needs one, so the grade stops at D.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
RT2623
Document grade
X2: The certificate's identity evidence (Identity: Tesamorelin) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard.
Document check: fail.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
Tes2622
Document grade
C10: No endotoxin (bacterial toxin) test is reported, and an injectable needs one, so the grade stops at D.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
Document grade
C10: No endotoxin (bacterial toxin) test is reported, and an injectable needs one, so the grade stops at D.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
Document grade
C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
IP202086
Document grade
C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
KV202608
Document grade
C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
CJ202806
Document grade
C10: No endotoxin (bacterial toxin) test is reported, and an injectable needs one, so the grade stops at D.
Document check: flag.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
Document grade
X2: The certificate's identity evidence (Identity: NA-Selank Amidate) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard.
Document check: fail.
Lab record: not confirmed.
Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2
SEK202601
| COA grade | Printed lab | Certificate | |||
|---|---|---|---|---|---|
| Retatrutide Lot: RT2623 | Document grade Why this result?C10: No endotoxin (bacterial toxin) test is reported, and an injectable needs one, so the grade stops at D. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | Chromate | Oct 1, 2026 | No purity printed | View COA |
| Tesamorelin Lot: Tes2622 | Document grade Why this result?X2: The certificate's identity evidence (Identity: Tesamorelin) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard. Document check: fail. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | Chromate | Sep 15, 2026 | No purity printed | View COA |
| BPC-157 Lot: Not reported | Document grade Why this result?C10: No endotoxin (bacterial toxin) test is reported, and an injectable needs one, so the grade stops at D. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | TrustPointe Analytics LLC | Sep 9, 2026 | No purity printed | View COA |
| MOTS-c Lot: Not reported | Document grade Why this result?C10: No endotoxin (bacterial toxin) test is reported, and an injectable needs one, so the grade stops at D. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | TrustPointe Analytics LLC | Sep 2, 2026 | No purity printed | View COA |
| Ipamorelin Lot: IP202086 | Document grade Why this result?C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | KOVERA LABS | Aug 10, 2026 | 99.711%99.5%+ | View COA |
| KPV Lot: KV202608 | Document grade Why this result?C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | KOVERA LABS | Aug 10, 2026 | 99.705%99.5%+ | View COA |
| CJC-1295 (no DAC) Lot: CJ202806 | Document grade Why this result?C3: We couldn't confirm this certificate against the lab's own records, so the grade stops at A-. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | Kovera Labs | Jun 9, 2026 | 99.654%99.5%+ | View COA |
| GHK-Cu Lot: Not reported | Document grade Why this result?C10: No endotoxin (bacterial toxin) test is reported, and an injectable needs one, so the grade stops at D. Document check: flag. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | TrustPointe Analytics LLC | May 14, 2026 | 99.712%99.5%+ | View COA |
| Selank Lot: SEK202601 | Document grade Why this result?X2: The certificate's identity evidence (Identity: NA-Selank Amidate) can't confirm the peptide on its own; that needs mass spectrometry or a side-by-side match to a reference standard. Document check: fail. Lab record: not confirmed. Graded Oct 14, 2026 · Grader 0.4.9 · Policy 2026-10-07.2 | Chromate | Jan 29, 2026 | 99.927%99.5%+ | View COA |
23 current records
PN2623
RT2623
SS-2632
Tes2622
SX2622
IP202086
KV202608
TZ2608
KSS2607
PT202085
SM202607
CJ202806
AM202604
ET2026048
DS202605
AO202605
SER202601
TA202082
SEK202601
| Printed lab | Certificate | |||
|---|---|---|---|---|
| Pinealon | Chromate | Oct 1, 2026 | No purity printed | View COA |
| Retatrutide | Chromate | Oct 1, 2026 | No purity printed | View COA |
| SS-31 | Chromate | Sep 23, 2026 | No purity printed | View COA |
| Tesamorelin | Chromate | Sep 15, 2026 | No purity printed | View COA |
| BPC-157 | TrustPointe Analytics LLC | Sep 9, 2026 | No purity printed | View COA |
| MOTS-c | TrustPointe Analytics LLC | Sep 2, 2026 | No purity printed | View COA |
| Semax | Chromate | Sep 2, 2026 | No purity printed | View COA |
| Ipamorelin | KOVERA LABS | Aug 10, 2026 | 99.711%99.5%+ | View COA |
| KPV | KOVERA LABS | Aug 10, 2026 | 99.705%99.5%+ | View COA |
| Tirzepatide | KOVERA LABS | Jul 31, 2026 | 99.705%99.5%+ | View COA |
| Kisspeptin-10 | Kovera Labs | Jul 2, 2026 | 99.713%99.5%+ | View COA |
| PT-141 | KOVERA LABS | Jun 25, 2026 | 99.742%99.5%+ | View COA |
| Semaglutide | KOVERA LABS | Jun 10, 2026 | 99.887%99.5%+ | View COA |
| CJC-1295 (no DAC) | Kovera Labs | Jun 9, 2026 | 99.654%99.5%+ | View COA |
| 5-Amino-1MQ | Chromate | May 29, 2026 | 99.523%99.5%+ | View COA |
| Cagrilintide | TrustPointe Analytics LLC | May 14, 2026 | 99.733%99.5%+ | View COA |
| GHK-Cu | TrustPointe Analytics LLC | May 14, 2026 | 99.712%99.5%+ | View COA |
| Epitalon | Kovera Labs | May 13, 2026 | 99.863%99.5%+ | View COA |
| DSIP | KOVERA LABS | May 7, 2026 | 99.814%99.5%+ | View COA |
| AOD-9604 | KOVERA LABS | Apr 20, 2026 | 99.935%99.5%+ | View COA |
| Sermorelin | KOVERA LABS | Apr 1, 2026 | 99.941%99.5%+ | View COA |
| Thymosin Alpha-1 | KOVERA LABS | Feb 25, 2026 | 99.952%99.5%+ | View COA |
| Selank | Chromate | Jan 29, 2026 | 99.927%99.5%+ | View COA |
A record appears on file after our pipeline identifies the document as a certificate of analysis and matches its printed compound to a catalog peptide. The record cannot prove authenticity, chain of custody, sterility, product safety, or suitability for use.
These are counts of documents in our index, and a coverage rating of what our crawler found. They do not grade vendor quality, legitimacy, or safety. Printed fields can contain transcription errors. “Older record” means the reported test date is more than 18 months old.
See the testing methodology and dataset, or compare this coverage against another vendor in the vendor comparison tool.
The Peptide App. Peptide Partners peptide prices, COA coverage and vendor facts. Updated October 15, 2026. https://www.thepeptide.app/pricing/vendor/peptide-partners
The Peptide App. (2026). Peptide Partners peptide prices, COA coverage and vendor facts. Retrieved from https://www.thepeptide.app/pricing/vendor/peptide-partners
Prices and certificate counts on this page were last refreshed October 15, 2026.
