Formal Peptides vs Peptides Greyhouse
Across the 10 products both vendors stock, Formal Peptides has the lower effective price per mg on 7 and Peptides Greyhouse on 2, and 1 prices the same to the cent. Formal Peptides lists 12 tracked listings across 10 products; Peptides Greyhouse lists 93 across 63. 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 12 injectable peptides, including MOTS-c, Retatrutide and NAD+.
- Price vs market median
- 18% below market
- Tracked catalog
- 10 products · $
- Cheaper on
- 7 of 10 shared
- COA coverage
- None found
Peptides Greyhouse is a research-peptide vendor that lists 93 injectable peptides, including Selank, Semax and Epitalon.
- Price vs market median
- 7% above market
- Tracked catalog
- 63 products · $$$
- Cheaper on
- 2 of 10 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 Greyhouse
53 products the other vendor does not list
- 5-Amino-1MQ$4.60
- CJC-1295 (no DAC)$7
- Epitalon$2.50
- FOXO4-DRI$27.60
- Ipamorelin$5.50
- Melanotan II$3.40
- Pinealon$2.25
- Selank$1.90
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Formal Peptides cheaper than Peptides Greyhouse?
- On the 10 products both vendors stock, Formal Peptides has the lower effective price per mg on 7 and Peptides Greyhouse on 2, 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?
- Formal Peptides: none found. 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?
- Formal Peptides has 10 priced products in the current index and Peptides Greyhouse has 63, 10 of which appear on both catalogs. 0 products are listed only by Formal Peptides and 53 only by Peptides Greyhouse.