Instant Peptides vs Peptides Source
Across the 32 products both vendors stock, Instant Peptides has the lower effective price per mg on 21 and Peptides Source on 9, and 2 price the same to the cent. Instant Peptides lists 65 tracked listings across 34 products; Peptides Source lists 102 across 47. 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.
Instant Peptides is a research-peptide vendor that lists 48 injectable peptides, including TB-500, Retatrutide and Melanotan II.
- Price vs market median
- 18% below market
- Tracked catalog
- 34 products · $
- Cheaper on
- 21 of 32 shared
- COA coverage
- None found
Peptides Source is a research-peptide vendor that lists 102 injectable peptides, including NAD+, Epitalon and TB-500.
- Price vs market median
- 8% below market
- Tracked catalog
- 47 products · $
- Cheaper on
- 9 of 32 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 Instant Peptides
2 products the other vendor does not list
Only at Peptides Source
15 products the other vendor does not list
- Pinealon$4.50
- ACE-031$130
- Adamax$7
- AICAR$1.20
- Cerebrolysin$1.08
- CJC-1295 (with DAC)$12
- Dihexa$7.50
- GHRP-2$3.50
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Instant Peptides cheaper than Peptides Source?
- On the 32 products both vendors stock, Instant Peptides has the lower effective price per mg on 21 and Peptides Source on 9, with 2 priced the same to the cent. 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?
- Instant 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?
- Instant Peptides has 34 priced products in the current index and Peptides Source has 47, 32 of which appear on both catalogs. 2 products are listed only by Instant Peptides and 15 only by Peptides Source.