Peptides Optimized vs Peptides Source
Across the 33 products both vendors stock, Peptides Optimized has the lower effective price per mg on 13 and Peptides Source on 19, and 1 prices the same to the cent. Peptides Optimized lists 70 tracked listings across 34 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.
Peptides Optimized is a research-peptide vendor that lists 68 injectable peptides, including Pinealon, CJC-1295 (no DAC) and SS-31.
- Price vs market median
- 14% below market
- Tracked catalog
- 34 products · $
- Cheaper on
- 13 of 33 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
- 3% below market
- Tracked catalog
- 45 products · $$
- Cheaper on
- 19 of 33 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
12 products the other vendor does not list
- DSIP$7
- PT-141$5
- ACE-031$130
- AICAR$1.20
- Cerebrolysin$1.08
- CJC-1295 (with DAC)$12
- Gonadorelin$12.50
- L-Carnitine$0.08
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Peptides Optimized cheaper than Peptides Source?
- On the 33 products both vendors stock, Peptides Optimized has the lower effective price per mg on 13 and Peptides Source on 19, with 1 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?
- Peptides Optimized: 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?
- Peptides Optimized has 34 priced products in the current index and Peptides Source has 45, 33 of which appear on both catalogs. 1 product are listed only by Peptides Optimized and 12 only by Peptides Source.