Instant Peptides vs retaone
Across the 19 products both vendors stock, Instant Peptides has the lower effective price per mg on 2 and retaone on 17. Instant Peptides lists 65 tracked listings across 35 products; retaone lists 38 across 19. On certificates of analysis the in-stock products we track rate none found at Instant Peptides and partial at retaone. 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 50 injectable peptides and 9 nasal sprays.
- Price vs market median
- 20% below market
- Tracked catalog
- 35 products · $
- Cheaper on
- 2 of 19 shared
- COA coverage
- None found
retaone is a US research-peptide vendor based in Cypress, TX that lists 37 injectable peptides, including Thymosin Alpha-1, BPC-157 and SS-31.
- Price vs market median
- 47% below market
- Tracked catalog
- 19 products · $
- Cheaper on
- 17 of 19 shared
- COA coverage
- Partial
Vendor facts
Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice. Facts for retaone 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 Instant Peptides
16 products the other vendor does not list
- 5-Amino-1MQ$1.50
- CJC-1295 (no DAC)$6.99
- DSIP$6.99
- Epitalon$3.30
- Ipamorelin$4.20
- Melanotan II$3
- Selank$3.50
- TB-500$4.60
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Instant Peptides cheaper than retaone?
- On the 19 products both vendors stock, Instant Peptides has the lower effective price per mg on 2 and retaone on 17. 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. retaone: partial, newest test dated 2026-10-06. 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 Instant Peptides and retaone?
- Instant Peptides: we have not recorded shipping or payment details yet. retaone: ships from Cypress, TX, 2-5 days in transit, accepts card, zelle, wire, crypto. Details come from each vendor's own site and can change without notice; check the storefront before ordering.