Compounding Rx USA vs Ion Peptide
Across the 1 product both vendors stock, Compounding Rx USA has the lower effective price per mg on 0 and Ion Peptide on 1. Compounding Rx USA lists 1 tracked listing across 1 product; Ion Peptide lists 105 across 36. On certificates of analysis the in-stock products we track rate none found at Compounding Rx USA and partial at Ion Peptide. 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.
We hold limited price data for Compounding Rx USA, so parts of this comparison are thinner than usual.
Compounding Rx USA is a US research-peptide vendor based in Knoxville, TN that lists 1 injectable peptide.
- Price vs market median
- 32% below market
- Tracked catalog
- 1 products · $
- Cheaper on
- 0 of 1 shared
- COA coverage
- None found
Ion Peptide is a US research-peptide vendor that lists 66 injectable peptides and 1 blend, including FOXO4-DRI, Tirzepatide and Ipamorelin.
- Price vs market median
- 25% below market
- Tracked catalog
- 36 products · $
- Cheaper on
- 1 of 1 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 Compounding Rx USA and Ion Peptide 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
35 products the other vendor does not list
- DSIP$3.83
- FOXO4-DRI$10.12
- Ipamorelin$3.57
- KPV$2.93
- Melanotan II$2.85
- NAD+$0.07
- Pinealon$3.83
- PT-141$3.15
Prices shown are per mg for the cheapest in-stock listing we track.
Questions
- Is Compounding Rx USA cheaper than Ion Peptide?
- On the 1 product both vendors stock, Compounding Rx USA has the lower effective price per mg on 0 and Ion Peptide on 1. 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?
- Compounding Rx USA: none found. Ion Peptide: partial, newest test dated 2026-05-19. 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 Compounding Rx USA and Ion Peptide?
- Compounding Rx USA: we have not recorded shipping or payment details yet. Ion Peptide: ships from US. Details come from each vendor's own site and can change without notice; check the storefront before ordering.