GenPeptide vs Peptides Source
Across the 4 products both vendors stock, GenPeptide has the lower effective price per mg on 3 and Peptides Source on 1. GenPeptide lists 32 tracked listings across 4 products; Peptides Source lists 98 across 45. On certificates of analysis both show none found COA coverage of the in-stock products we track. Based on the certificates our crawler found; vendors may publish more than we index. These are price and document observations, not quality ratings, and neither vendor is endorsed.
GenPeptide is a research-peptide vendor that lists 13 injectable peptides, including Tirzepatide, GHK-Cu and Retatrutide.
- Price vs market median
- 31% below market
- Tracked catalog
- 4 products · $
- Cheaper on
- 3 of 4 shared
- COA coverage
- None found
Peptides Source is a research-peptide vendor that lists 97 injectable peptides, including NAD+, Epitalon and CJC-1295 (no DAC).
- Price vs market median
- 4% below market
- Tracked catalog
- 45 products · $$
- Cheaper on
- 1 of 4 shared
- COA coverage
- None found
Vendor facts
Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice.
Certificates on file
Coverage rates how many of the in-stock products we track have a certificate our pipeline read and matched to a catalog peptide. Based on the certificates our crawler found; vendors may publish more than we index. We do not test products, and a certificate cannot show authenticity, chain of custody or sterility.
Carried by one vendor only
Only at Peptides Source
41 products the other vendor does not list
- 5-Amino-1MQ$1.30
- BPC-157$4.25
- CJC-1295 (no DAC)$6
- DSIP$7
- Epitalon$1.30
- Ipamorelin$6.50
- KPV$6
- Melanotan II$4
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is GenPeptide cheaper than Peptides Source?
- On the 4 products both vendors stock, GenPeptide has the lower effective price per mg on 3 and Peptides Source on 1. Each side uses the cheapest in-stock listing we track for that product, after any public discount code, and prices change often.
- How much COA coverage does each vendor have?
- GenPeptide: none found. Peptides Source: none found. Based on the certificates our crawler found; vendors may publish more than we index. We do not test products ourselves, and a certificate cannot prove authenticity or sterility.
- What does each vendor carry?
- GenPeptide has 4 priced products in the current index and Peptides Source has 45, 4 of which appear on both catalogs. 0 products are listed only by GenPeptide and 41 only by Peptides Source.