Ion Peptide vs peptidology
Across the 23 products both vendors stock, Ion Peptide has the lower effective price per mg on 17 and peptidology on 6. Ion Peptide lists 103 tracked listings across 36 products; peptidology lists 74 across 43. On certificates of analysis the in-stock products we track rate partial at Ion Peptide and broad at peptidology. 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.
Ion Peptide is a US research-peptide vendor that lists 64 injectable peptides, 2 blends and 3 nasal sprays.
- Price vs market median
- 25% below market
- Tracked catalog
- 36 products · $
- Cheaper on
- 17 of 23 shared
- COA coverage
- Partial
peptidology is a US research-peptide vendor based in Scottsdale, AZ that lists 60 injectable peptides and 1 capsule.
- Price vs market median
- 10% below market
- Tracked catalog
- 43 products · $
- Cheaper on
- 6 of 23 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 Ion Peptide and peptidology 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 Ion Peptide
13 products the other vendor does not list
- PT-141$3.15
- Retatrutide$3.10
- SS-31$2.36
- Tesamorelin$4.63
- Tirzepatide$1.69
- Adamax$6.38
- Cagrilintide$8.42
- GLOW$2.05
Only at peptidology
20 products the other vendor does not list
- 5-Amino-1MQ$1.51
- BPC-157$3.64
- CJC-1295 (no DAC)$9.03
- Epitalon$2.15
- GHK-Cu$0.54
- MOTS-c$4.15
- TB-500$5.09
- Thymosin Alpha-1$5.91
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Ion Peptide cheaper than peptidology?
- On the 23 products both vendors stock, Ion Peptide has the lower effective price per mg on 17 and peptidology on 6. 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?
- Ion Peptide: partial, newest test dated 2026-05-19. peptidology: broad, newest test dated 2026-09-09. 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 Ion Peptide and peptidology?
- Ion Peptide: ships from US. peptidology: ships from Scottsdale, AZ. Details come from each vendor's own site and can change without notice; check the storefront before ordering.