Atomik Labs vs Peptides Greyhouse
Across the 46 products both vendors stock, Atomik Labs has the lower effective price per mg on 26 and Peptides Greyhouse on 19, and 1 prices the same to the cent. Atomik Labs lists 88 tracked listings across 50 products; Peptides Greyhouse lists 94 across 62. On certificates of analysis the in-stock products we track rate limited at Atomik Labs and none found at Peptides Greyhouse. 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.
Atomik Labs is a research-peptide vendor that lists 74 injectable peptides, including Melanotan II, Tesamorelin and Selank.
- Price vs market median
- 5% above market
- Tracked catalog
- 50 products · $$$
- Cheaper on
- 26 of 46 shared
- COA coverage
- Limited
Peptides Greyhouse is a research-peptide vendor that lists 92 injectable peptides, including Selank, Semax and Epitalon.
- Price vs market median
- 8% above market
- Tracked catalog
- 62 products · $$$
- Cheaper on
- 19 of 46 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. Facts for Atomik Labs were extracted from the vendor's site and not yet reviewed by us.
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 Atomik Labs
4 products the other vendor does not list
- FGL-L$8.25
- Hexarelin$8
- Melanotan I$2.90
- Vasoactive Intestinal Peptide (VIP)$7.87
Only at Peptides Greyhouse
16 products the other vendor does not list
- Adipotide$7.60
- AICAR$0.96
- Cagrilintide$15
- Cerebrolysin$0.75
- Chonluten$2.55
- Crystagen$2.25
- Gonadorelin$37.50
- IGF-1 DES$90
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Atomik Labs cheaper than Peptides Greyhouse?
- On the 46 products both vendors stock, Atomik Labs has the lower effective price per mg on 26 and Peptides Greyhouse 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?
- Atomik Labs: limited, newest test dated 2026-10-08. Peptides Greyhouse: 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?
- Atomik Labs has 50 priced products in the current index and Peptides Greyhouse has 62, 46 of which appear on both catalogs. 4 products are listed only by Atomik Labs and 16 only by Peptides Greyhouse.