EZ Peptides vs Instant Peptides
Across the 27 products both vendors stock, EZ Peptides has the lower effective price per mg on 6 and Instant Peptides on 20, and 1 prices the same to the cent. EZ Peptides lists 37 tracked listings across 28 products; Instant Peptides lists 65 across 35. On certificates of analysis the in-stock products we track rate broad at EZ Peptides and none found at Instant Peptides. 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.
EZ Peptides is a US research-peptide vendor based in Albuquerque, NM that lists 31 injectable peptides.
- Price vs market median
- 4% below market
- Tracked catalog
- 28 products · $$
- Cheaper on
- 6 of 27 shared
- COA coverage
- Broad
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
- 20 of 27 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 EZ Peptides 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
8 products the other vendor does not list
- NAD+$0.08
- Selank$3.50
- Semax$3.50
- TB-500$4.60
- Tirzepatide$2.50
- Glutathione$0.04
- IGF-LR3$74.95
- Semaglutide$2.83
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is EZ Peptides cheaper than Instant Peptides?
- On the 27 products both vendors stock, EZ Peptides has the lower effective price per mg on 6 and Instant Peptides on 20, 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?
- EZ Peptides: broad, newest test dated 2026-07-02. Instant Peptides: 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 EZ Peptides and Instant Peptides?
- EZ Peptides: ships from USA, 3-5 days in transit. Instant Peptides: we have not recorded shipping or payment details yet. Details come from each vendor's own site and can change without notice; check the storefront before ordering.