Formal Peptides vs Peptides Source
Across the 11 products both vendors stock, Formal Peptides has the lower effective price per mg on 5 and Peptides Source on 6. Formal Peptides lists 13 tracked listings across 11 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.
Formal Peptides is a research-peptide vendor that lists 13 injectable peptides, including MOTS-c, NAD+ and Retatrutide.
- Price vs market median
- 16% below market
- Tracked catalog
- 11 products · $
- Cheaper on
- 5 of 11 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
- 6 of 11 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
34 products the other vendor does not list
- 5-Amino-1MQ$1.30
- CJC-1295 (no DAC)$6
- Epitalon$1.30
- Ipamorelin$6.50
- Melanotan II$4
- Pinealon$4.50
- Selank$5
- Semax$5
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Formal Peptides cheaper than Peptides Source?
- On the 11 products both vendors stock, Formal Peptides has the lower effective price per mg on 5 and Peptides Source on 6. 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?
- Formal Peptides: 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?
- Formal Peptides has 11 priced products in the current index and Peptides Source has 45, 11 of which appear on both catalogs. 0 products are listed only by Formal Peptides and 34 only by Peptides Source.