Peptide Supply Co vs RUO.bio
Across the 33 products both vendors stock, Peptide Supply Co has the lower effective price per mg on 20 and RUO.bio on 12, and 1 prices the same to the cent. Peptide Supply Co lists 69 tracked listings across 54 products; RUO.bio lists 57 across 46. On certificates of analysis the in-stock products we track rate broad at Peptide Supply Co and none found at RUO.bio. 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.
Peptide Supply Co is a US research-peptide vendor that lists 67 injectable peptides, 11 blends and 1 capsule.
- Price vs market median
- 20% below market
- Tracked catalog
- 54 products · $
- Cheaper on
- 20 of 33 shared
- COA coverage
- Broad
RUO.bio is a US research-peptide vendor based in Wyoming that lists 47 injectable peptides, including FOXO4-DRI, GHK-Cu and Ipamorelin.
- Price vs market median
- 28% below market
- Tracked catalog
- 46 products · $
- Cheaper on
- 12 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. Facts for Peptide Supply Co and RUO.bio 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 Peptide Supply Co
21 products the other vendor does not list
- Epitalon$1.40
- Retatrutide$3.33
- SS-31$2.60
- Tirzepatide$1.75
- CJC-1295 (with DAC)$10
- GHK-Cu + KPV$0.93
- GLOW$1.11
- Ipamorelin + CJC-1295 (no DAC)$5.50
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Peptide Supply Co cheaper than RUO.bio?
- On the 33 products both vendors stock, Peptide Supply Co has the lower effective price per mg on 20 and RUO.bio on 12, 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?
- Peptide Supply Co: broad, newest test dated 2026-09-11. RUO.bio: 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.
- How do shipping and payment differ between Peptide Supply Co and RUO.bio?
- Peptide Supply Co: shipping free, 2-2 days in transit. RUO.bio: accepts card, ach, wire, crypto. Details come from each vendor's own site and can change without notice; check the storefront before ordering.