US research peptide suppliers

Inspect catalogue coverage and dated product-price observations across the US. Compare the source records before comparing formulations.

101 storefronts have enough published coverage for a detailed source profile. 134 suppliers are publicly monitored in this market; monitoring alone does not establish fixed-price availability or product quality. Latest failed suppliers are omitted until a later readable check.

• Aegis Bio Supply36 recognised names · 55 source listingsLatest source check: 4 Nov 2026, 06:29 am AWST
• Alpha Omega Peptide36 recognised names · 68 source listingsLatest source check: 4 Nov 2026, 06:26 am AWST
• Alpha Pro Peptides31 recognised names · 50 source listingsLatest source check: 4 Nov 2026, 07:17 pm AWST
• Ameano Peptides34 recognised names · 49 source listingsLatest source check: 4 Nov 2026, 06:21 am AWST
• American Biotech22 recognised names · 28 source listingsLatest source check: 28 Oct 2026, 05:56 am AWST
• Amino USA49 recognised names · 76 source listingsLatest source check: 4 Nov 2026, 06:17 am AWST
• AminoVault Research Peptides24 recognised names · 71 source listingsLatest source check: 4 Nov 2026, 06:19 am AWST
• Apollo Peptide Sciences13 recognised names · 25 source listingsLatest source check: 31 Oct 2026, 06:25 am AWST
• Arctic Lab Supply13 recognised names · 16 source listingsLatest source check: 4 Nov 2026, 07:19 pm AWST
• Ascension Peptides31 recognised names · 39 source listingsLatest source check: 4 Nov 2026, 07:11 pm AWST
• Atlas Peptide Lab20 recognised names · 52 source listingsLatest source check: 4 Nov 2026, 06:31 am AWST
• Atomik Labz Peptides44 recognised names · 81 source listingsLatest source check: 4 Nov 2026, 06:24 am AWST
• Based Research35 recognised names · 57 source listingsLatest source check: 4 Nov 2026, 06:19 am AWST
• BioLongevity Labs36 recognised names · 42 source listingsLatest source check: 4 Nov 2026, 07:24 pm AWST
• Biotech Peptides40 recognised names · 64 source listingsLatest source check: 4 Nov 2026, 07:11 pm AWST
• Blue Steel Labs3 recognised names · 3 source listingsLatest source check: 4 Nov 2026, 06:34 am AWST
• Bulk Peptide Supply41 recognised names · 51 source listingsLatest source check: 4 Nov 2026, 06:19 am AWST
• Canon Bio Labs41 recognised names · 53 source listingsLatest source check: 4 Nov 2026, 07:11 am AWST
• Cenvia Labs17 recognised names · 23 source listingsLatest source check: 4 Nov 2026, 06:33 am AWST
• Cernum Biosciences21 recognised names · 35 source listingsLatest source check: 4 Nov 2026, 06:22 am AWST
• Chimera Peptides45 recognised names · 45 source listingsLatest source check: 4 Nov 2026, 06:21 am AWST
• coffeeandpeppers.com34 recognised names · 56 source listingsLatest source check: 4 Nov 2026, 06:25 am AWST
• Core Peptides45 recognised names · 88 source listingsLatest source check: 4 Nov 2026, 07:11 pm AWST
• Direct Peptides30 recognised names · 36 source listingsLatest source check: 4 Nov 2026, 06:24 am AWST
• Drexa Labs31 recognised names · 38 source listingsLatest source check: 4 Nov 2026, 06:21 am AWST
• Elite Peptides18 recognised names · 20 source listingsLatest source check: 4 Nov 2026, 06:24 am AWST
• ExoLabz25 recognised names · 40 source listingsLatest source check: 4 Nov 2026, 06:28 am AWST
• Extreme Peptide39 recognised names · 56 source listingsLatest source check: 4 Nov 2026, 06:24 am AWST
• FROPeptides26 recognised names · 38 source listingsLatest source check: 4 Nov 2026, 06:16 am AWST
• Full Scale Peptides20 recognised names · 22 source listingsLatest source check: 4 Nov 2026, 06:33 am AWST
• goalphalabs.com42 recognised names · 75 source listingsLatest source check: 4 Nov 2026, 06:18 am AWST
• Hello Stacks34 recognised names · 45 source listingsLatest source check: 4 Nov 2026, 07:19 pm AWST
• Honest Peptide23 recognised names · 41 source listingsLatest source check: 4 Nov 2026, 06:18 am AWST
• JD BioWorks17 recognised names · 27 source listingsLatest source check: 4 Nov 2026, 07:20 pm AWST
• KÖLD22 recognised names · 22 source listingsLatest source check: 31 Oct 2026, 06:31 am AWST
• Liberty Peptides6 recognised names · 6 source listingsLatest source check: 4 Nov 2026, 06:20 am AWST
• Licensed Peptides40 recognised names · 79 source listingsLatest source check: 4 Nov 2026, 07:14 pm AWST
• Loti Labs3 recognised names · 3 source listingsLatest source check: 4 Nov 2026, 06:21 am AWST
• Lumen Research16 recognised names · 21 source listingsLatest source check: 4 Nov 2026, 06:54 pm AWST
• Medicina Labs29 recognised names · 45 source listingsLatest source check: 4 Nov 2026, 06:31 am AWST
• Medura Peptides6 recognised names · 6 source listingsLatest source check: 4 Nov 2026, 06:25 am AWST
• Mile High Compounds42 recognised names · 77 source listingsLatest source check: 4 Nov 2026, 07:16 pm AWST
• Modern Aminos47 recognised names · 72 source listingsLatest source check: 4 Nov 2026, 07:25 pm AWST
• mpeptides.com16 recognised names · 33 source listingsLatest source check: 4 Nov 2026, 06:20 am AWST
• Neon Valley Research5 recognised names · 5 source listingsLatest source check: 4 Nov 2026, 06:28 am AWST
• NextGenPeps10 recognised names · 14 source listingsLatest source check: 4 Nov 2026, 07:12 pm AWST
• North Summit Labs13 recognised names · 13 source listingsLatest source check: 4 Nov 2026, 06:28 am AWST
• NuScience Peptides39 recognised names · 60 source listingsLatest source check: 4 Nov 2026, 06:20 am AWST

What makes a useful supplier comparison?

Check the original product, selected variant, actual observation date, confirmed currency and source-stated mass. Matching a name family is a browsing step; exact ingredient and form evidence determines whether offers can share a ranking.

Browse all compound comparisons · Read the supplier checklist · Open the interactive supplier directory