aminowell vs Peptide Works
Across the 21 products both vendors stock, aminowell has the lower effective price per mg on 12 and Peptide Works on 9. aminowell lists 65 tracked listings across 27 products; Peptide Works lists 87 across 51. On certificates of analysis the in-stock products we track rate none found at aminowell and broad at Peptide Works. 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.
aminowell is a US research-peptide vendor that lists 37 injectable peptides, including NAD+, GHK-Cu and TB-500.
- Price vs market median
- 13% below market
- Tracked catalog
- 27 products · $
- Cheaper on
- 12 of 21 shared
- COA coverage
- None found
Peptide Works is a research-peptide vendor that lists 85 injectable peptides, including Selank, PT-141 and Melanotan II.
- Price vs market median
- 14% below market
- Tracked catalog
- 51 products · $
- Cheaper on
- 9 of 21 shared
- COA coverage
- Broad
Vendor facts
Dashes mark facts we have not recorded yet. Vendor-stated details come from each storefront and can change without notice. Facts for aminowell and Peptide Works 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 aminowell
6 products the other vendor does not list
- NAD+$0.09
- Retatrutide$9
- Tirzepatide$3.60
- Cagrilintide$9.90
- Dihexa$700
- L-Carnitine$0.08
Only at Peptide Works
30 products the other vendor does not list
- CJC-1295 (no DAC)$7.93
- DSIP$6.36
- FOXO4-DRI$23.91
- Pinealon$2.93
- ACE-031$116.79
- Adipotide$7.77
- AICAR$0.66
- ARA-290$5.05
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is aminowell cheaper than Peptide Works?
- On the 21 products both vendors stock, aminowell has the lower effective price per mg on 12 and Peptide Works on 9. 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?
- aminowell: none found. Peptide Works: broad, newest test dated 2025-09-21. 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 aminowell and Peptide Works?
- aminowell: we have not recorded shipping or payment details yet. Peptide Works: accepts card, zelle, wire, crypto. Details come from each vendor's own site and can change without notice; check the storefront before ordering.