1 Amino Club 9.5/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, +0.5 purity 99.93 Verified (opens in new tab) ILS Laboratories Tier B+ 8.08 Strong $3.00 $29.95 / 10mg Shop → Amino Club (opens in new tab) 2 Ascension Peptides 9.5/10 3 base, +2 Kovera Labs tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, +0.5 purity 99.886 Verified (opens in new tab) Kovera Labs Tier A- 7.55 Strong $5.00 $50.00 / 10mg Shop → Ascension Peptides (opens in new tab) Copy PSR50 copied (50% off, affiliate) 3 StudzPeptides 9.5/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, +0.5 purity 99.79 Verified (opens in new tab) ILS Laboratories Tier B+ 7.10 Strong $2.48 $24.79 / 10mg Shop → StudzPeptides (opens in new tab) 4 Limitless Biotech 9.5/10 3 base, +2 MZ Biolabs tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, +0.5 purity 99.93 Verified (opens in new tab) MZ Biolabs Tier A 6.97 Fair $2.73 $81.99 / 30mg Shop → Limitless Biotech (opens in new tab) Copy PSR copied (15% off, affiliate) 5 Rogue Compounds 9.5/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, +0.5 purity 99.9 Verified (opens in new tab) ILS Laboratories Tier B+ 6.86 Fair $5.50 $54.99 / 10mg Shop → Rogue Compounds (opens in new tab) 6 Modern Aminos 9.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, 0 purity 99.63 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.88 Strong $4.20 $42.00 / 10mg Shop → Modern Aminos (opens in new tab) 7 Loti Labs 9.0/10 3 base, +2 Bioviridian tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 purity 99.9 Verified (opens in new tab) Bioviridian Tier A- 7.79 Strong $8.00 $39.99 / 5mg Shop → Loti Labs (opens in new tab) 8 S1Research 9.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, 0 purity 99.61 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.70 Strong $3.50 $35.00 / 10mg Shop → S1Research (opens in new tab) 9 Protide Health 9.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, 0 purity 99.5 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.67 Strong $6.00 $60.00 / 10mg Shop → Protide Health (opens in new tab) 10 Onyx Biolabs 9.0/10 3 base, +2 Kovera Labs tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 purity 99.701 Verified (opens in new tab) Kovera Labs Tier A- 7.29 Strong $3.60 $35.99 / 10mg Shop → Onyx Biolabs (opens in new tab) 11 Profound Aminos 9.0/10 3 base, +2 Chromate tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, 0 purity 99.044 Verified (opens in new tab) Chromate Tier B+ 6.65 Fair $6.50 $65.00 / 10mg Shop → Profound Aminos (opens in new tab) 12 Vortex Research 9.0/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, 0 purity 99.18 Verified (opens in new tab) ILS Laboratories Tier B+ 5.61 Fair $3.00 $29.99 / 10mg Shop → Vortex Research (opens in new tab) 13 Luv Aminos 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.83 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.90 Strong $2.00 $10.00 / 5mg Shop → Luv Aminos (opens in new tab) Copy PEPTIDESOURCEREVIEW copied (10% off, affiliate) 14 Pure Health Peptides 8.5/10 3 base, +2 Ethos Analytics Laboratory tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99 Verified (opens in new tab) Ethos Analytics Laboratory Tier B+ 7.88 Strong $3.30 $33.00 / 10mg Shop → Pure Health Peptides (opens in new tab) 15 Ameano Peptides 8.5/10 3 base, +2 Janoshik Analytical tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.96 Verified (opens in new tab) Janoshik Analytical Tier B+ 7.80 Strong $4.40 $44.00 / 10mg Shop → Ameano Peptides (opens in new tab) Copy peptidesourcerehog copied (10% off, affiliate) 16 LabFirst Peptides 8.5/10 3 base, +2 Kovera Labs tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.837 Verified (opens in new tab) Kovera Labs Tier A- 7.73 Strong $2.30 $69.00 / 30mg Shop → LabFirst Peptides (opens in new tab) Copy PSR10 copied (10% off, affiliate) 17 Felix Chemical Supply 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99.172 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.53 Strong $3.50 $35.00 / 10mg Shop → Felix Chemical Supply (opens in new tab) 18 Bluum Peptides 8.5/10 3 base, +2 Horizon Analytical tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin (separate report), 0 purity 99.37 Verified (opens in new tab) Horizon Analytical Tier A- 7.48 Strong $3.90 $39.00 / 10mg Shop → Bluum Peptides (opens in new tab) 19 Direct Peptides 8.5/10 3 base, +2 Horizon Analytical tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99.44 Verified (opens in new tab) Horizon Analytical Tier A- 7.43 Strong $3.90 $39.00 / 10mg Shop → Direct Peptides (opens in new tab) 20 Peptides Source 8.5/10 3 base, +2 Bioviridian tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.8 Verified (opens in new tab) Bioviridian Tier A- 7.33 Strong $5.00 $50.00 / 10mg Shop → Peptides Source (opens in new tab) 21 Oasis Labs 8.5/10 3 base, +2 Bioviridian tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.9 Verified (opens in new tab) Bioviridian Tier A- 7.30 Strong $4.50 $45.00 / 10mg Shop → Oasis Labs (opens in new tab) 22 Arctic Lab Supply 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.72 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.09 Strong $3.30 $32.99 / 10mg Shop → Arctic Lab Supply (opens in new tab) Copy PSRINFO copied (25% off, affiliate) 23 NovaForge Labs 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99.43 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.89 Fair Not listedSold only as a 30 mg nasal spray (80.00); not a vial, so not priced (as for other vendors' nasal sprays). Shop → NovaForge Labs (opens in new tab) Copy PSR15 copied (15% off, affiliate) 24 BulkGLP 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.83 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.71 Fair $5.50 $55.00 / 10mg Shop → BulkGLP (opens in new tab) 25 Pinnacle Peptide Labs 8.5/10 3 base, +2 Horizon Analytical tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99.34 Verified (opens in new tab) Horizon Analytical Tier A- 6.60 Fair $5.00 $49.99 / 10mg Shop → Pinnacle Peptide Labs (opens in new tab) Copy PSR15 copied (15% off, affiliate) 26 Peptyes 8.5/10 3 base, +2 Horizon Analytical tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99.23 Verified (opens in new tab) Horizon Analytical Tier A- 6.55 Fair $6.00 $60.00 / 10mg Shop → Peptyes (opens in new tab) 27 NextSelf Labs 8.5/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.9 Verified (opens in new tab) ILS Laboratories Tier B+ 6.26 Fair $5.00 $49.99 / 10mg Shop → NextSelf Labs (opens in new tab) 28 GhostLabz 8.5/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.9 Verified (opens in new tab) ILS Laboratories Tier B+ 6.14 Fair $4.50 $44.99 / 10mg Shop → GhostLabz (opens in new tab) 29 AminoWave Labs 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.85 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 5.85 Fair $4.00 $40.00 / 10mg Shop → AminoWave Labs (opens in new tab) 30 Peptide Pro 8.5/10 3 base, +2 Bioviridian tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.81 Verified (opens in new tab) Bioviridian Tier A- 5.62 Fair $6.72 $67.15 / 10mg Shop → Peptide Pro (opens in new tab) 31 Redline Bio Labs 8.5/10 3 base, +2 AV Analytics tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.78 Verified (opens in new tab) AV Analytics Tier A- 4.80 Weak $2.80 $84.00 / 30mg Shop → Redline Bio Labs (opens in new tab) 32 Prime Peptides 8.0/10 3 base, +2 Janoshik Analytical tier B+, +1.5 key, +1.5 key confirmed, 0 purity 99.625 Verified (opens in new tab) Janoshik Analytical Tier B+ 7.94 Strong $4.50 $45.00 / 10mg Shop → Prime Peptides (opens in new tab) 33 Amino USA 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.343 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.78 Strong $2.50 $75.00 / 30mg Shop → Amino USA (opens in new tab) 34 Honest Peptide 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.59 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.71 Strong $4.90 $49.00 / 10mg Shop → Honest Peptide (opens in new tab) Copy PSR20 copied (20% off, affiliate) 35 Thrive Peptides 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.54 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.50 Strong $3.33 $39.99 / 12mg Shop → Thrive Peptides (opens in new tab) 36 Pacific Edge Labs 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.62 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.15 Strong $4.79 $23.97 / 5mg Shop → Pacific Edge Labs (opens in new tab) 37 Paramount Peptides 8.0/10 3 base, +2 Janoshik Analytical tier B+, +1.5 key, +1.5 key confirmed, 0 purity 99.41 Verified (opens in new tab) Janoshik Analytical Tier B+ 7.12 Strong $2.27 $68.00 / 30mg Shop → Paramount Peptides (opens in new tab) 38 NuuVive Peptides 8.0/10 3 base, +2 Janoshik Analytical tier B+, +1.5 key, +1.5 key confirmed, no purity figure Verified (opens in new tab) Janoshik Analytical Tier B+ 6.93 Fair $4.20 $126.00 / 30mg Shop → NuuVive Peptides (opens in new tab) 39 Sports Technology Labs 8.0/10 3 base, +2 MZ Biolabs tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.51 Verified (opens in new tab) MZ Biolabs Tier A 6.88 Fair $8.00 $79.99 / 10mg Shop → Sports Technology Labs (opens in new tab) 40 FRO Peptides 8.0/10 3 base, +2 Accumark Labs tier B+, +1.5 key, +1.5 key confirmed, 0 purity 99.57 Verified (opens in new tab) Accumark Labs Tier B+ 6.67 Fair $2.33 $69.99 / 30mg Shop → FRO Peptides (opens in new tab) 41 NuScience Peptides 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.11 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.43 Fair $3.50 $34.99 / 10mg Shop → NuScience Peptides (opens in new tab) 42 Bionova Peptides 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.66 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.03 Fair $6.00 $30.00 / 5mg Shop → Bionova Peptides (opens in new tab) 43 Azyrion Labs 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.58 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 5.40 Weak $6.00 $59.95 / 10mg Shop → Azyrion Labs (opens in new tab) 44 Delix Labs 8.0/10 3 base, +2 Janoshik Analytical tier B+, +1.5 key, +1.5 key confirmed, 0 purity 99.361 Verified (opens in new tab) Janoshik Analytical Tier B+ 4.52 Weak $6.20 $62.00 / 10mg Shop → Delix Labs (opens in new tab) 45 BioLongevity Labs 7.5/10 3 base, +2 MDx BioAnalytical Laboratory tier A+, +1.5 key, +0 key not found at the lab, +0.5 endotoxin, +0 accreditation (tested 2026-05-18, before 2026-06-09), +0.5 purity 99.77 View (key not found) (opens in new tab) MDx BioAnalytical Laboratory Tier A+ 7.24 Strong $3.25 $64.97 / 20mg Shop → BioLongevity Labs (opens in new tab) Copy PSR copied (15% off, affiliate) 46 Southern Aminos 7.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +0 key not found at the lab, +0.5 endotoxin, 0 purity 99.323 View (key not found) (opens in new tab) Freedom Diagnostics Testing Tier A 8.09 Strong $3.52 $35.20 / 10mg Shop → Southern Aminos (opens in new tab) 47 Prime Peptide Solutions 7.0/10 3 base, +2 BT Labs tier B, +1.5 key, +0.5 purity 99.7 View (opens in new tab) BT Labs Tier B 7.14 Strong $4.00 $39.99 / 10mg Shop → Prime Peptide Solutions (opens in new tab) 48 Curo 7.0/10 3 base, +2 BT Labs tier B, +1.5 key, +0.5 endotoxin, 0 purity 99.6 View (opens in new tab) BT Labs Tier B 6.27 Fair $7.40 $74.00 / 10mg Shop → Curo (opens in new tab) 49 NextGen Peps 7.0/10 3 base, +2 Janoshik Analytical tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, -1.5 purity 98.848 Verified (opens in new tab) Janoshik Analytical Tier B+ 5.95 Fair $4.20 $42.00 / 10mg Shop → NextGen Peps (opens in new tab) Copy PSR10 copied (10% off, affiliate) 50 Modified Aminos 6.5/10 3 base, +2 Ethos Analytics Laboratory tier B+, +1.5 key, no purity figure View (opens in new tab) Ethos Analytics Laboratory Tier B+ 6.75 Fair $7.20 $35.99 / 5mg Shop → Modified Aminos (opens in new tab) Copy PSR copied (10% off, affiliate) 51 Raw Amino 6.5/10 3 base, +2 MZ Biolabs tier A, +1.5 key, +1.5 key confirmed, -1.5 purity 98.7 Verified (opens in new tab) MZ Biolabs Tier A 5.59 Fair $2.32 $58.00 / 25mg Shop → Raw Amino (opens in new tab) 52 Vyal Labs 5.0/10 3 base, +2 Accurate Test Lab tier B-, 0 purity 99.08 View (opens in new tab) Accurate Test Lab Tier B- 4.59 Weak $8.90 $89.00 / 10mg Shop → Vyal Labs (opens in new tab) 53 Based Research 5.0/10 3 base, +0 Analytical Formulations tier C, +1.5 key, +0.5 purity 99.9 View (opens in new tab) Analytical Formulations Tier C 4.54 Weak $6.00 $60.00 / 10mg Shop → Based Research (opens in new tab) 54 Biotech Peptides 2.0/10 self-issued by the vendor = 2.0 flat Vendor-issued (opens in new tab) — 5.79 Fair $2.12 $53.00 / 25mg Shop → Biotech Peptides (opens in new tab) 55 Peptide Warehouse 2.0/10 no laboratory named on the certificate = 2.0 flat Vendor report (lab not established) (opens in new tab) Third-party lab (undisclosed) 5.01 Weak $6.00 $59.99 / 10mg Shop → Peptide Warehouse (opens in new tab) 56 Cernum Biosciences 2.0/10 self-issued by the vendor = 2.0 flat Vendor-issued (opens in new tab) — 4.68 Weak $8.40 $83.99 / 10mg Shop → Cernum Biosciences (opens in new tab) 57 PSPeptides 2.0/10 North American Diagnostics tier D: independence not established = 2.0 flat Vendor report (lab not established) (opens in new tab) North American Diagnostics Tier D 3.95 Poor $3.91 $42.99 / 11mg Shop → PSPeptides (opens in new tab) 58 Peptide.Express 2.0/10 Mistral Diagnostics tier D: independence not established = 2.0 flat Vendor report (lab not established) (opens in new tab) Mistral Diagnostics Tier D 3.90 Poor $5.00 $50.00 / 10mg Shop → Peptide.Express (opens in new tab) 59 BioInfinity 2.0/10 Verum Analytics tier D: independence not established = 2.0 flat Vendor report (lab not established) (opens in new tab) Verum Analytics Tier D 3.70 Poor $6.00 $60.00 / 10mg Shop → BioInfinity (opens in new tab) Copy PSR10 copied (10% off, affiliate) 60 RapidCore Bio 2.0/10 self-issued by the vendor = 2.0 flat Vendor-issued (opens in new tab) — 3.26 Poor $5.00 $50.00 / 10mg Shop → RapidCore Bio (opens in new tab) 61 Peptara Labs 2.0/10 Titreon Analytical tier D: independence not established = 2.0 flat Vendor report (lab not established) (opens in new tab) Titreon Analytical Tier D 2.38 Poor $15.00 $150.00 / 10mg Shop → Peptara Labs (opens in new tab) 62 Core Peptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 6.54 Fair $2.52 $63.00 / 25mg Shop → Core Peptides (opens in new tab) 63 Swiss Chems 0.0/10 no certificate None No third-party COA was publicly available at audit time — 5.39 Weak $2.47 $73.95 / 30mg Shop → Swiss Chems (opens in new tab) Copy idjfdqaz copied (10% off, affiliate) 64 GenX Bio 0.0/10 no certificate None No third-party COA was publicly available at audit time — 4.39 Weak $1.67 $50.00 / 30mg Shop → GenX Bio (opens in new tab) 65 Lotus Peptide 0.0/10 no certificate None No third-party COA was publicly available at audit time — 3.74 Poor $3.50 $35.00 / 10mg Shop → Lotus Peptide (opens in new tab) 66 Peptide Labs 0.0/10 no certificate Login-gated COAs are provided but sit behind the vendor's login wall — 3.72 Poor $4.60 $45.99 / 10mg Shop → Peptide Labs (opens in new tab) 67 Pexo Labs 0.0/10 no certificate None No third-party COA was publicly available at audit time — 3.63 Poor $2.80 $27.99 / 10mg Shop → Pexo Labs (opens in new tab) 68 Peptide Pros 0.0/10 no certificate None No third-party COA was publicly available at audit time — 3.56 Poor $1.94 $58.25 / 30mg Shop → Peptide Pros (opens in new tab) 69 Spartan Peptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 3.32 Poor $5.30 $159.00 / 30mg Shop → Spartan Peptides (opens in new tab) 70 Drexa Labs 0.0/10 no certificate None No third-party COA was publicly available at audit time — 3.28 Poor $4.90 $49.00 / 10mg Shop → Drexa Labs (opens in new tab) 71 Nextday Peptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 3.21 Poor $7.50 $75.00 / 10mg Shop → Nextday Peptides (opens in new tab) 72 YourFitnessPeptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 2.75 Poor $5.40 $54.00 / 10mg Shop → YourFitnessPeptides (opens in new tab) 73 Stack Research 0.0/10 posted copy differs from the lab's copy = 0 View COA (differs from lab copy) (opens in new tab) Accumark Labs Tier B+ 2.49 Poor $2.66 $79.90 / 30mg Shop → Stack Research (opens in new tab) 74 Peptide Warehouse US 0.0/10 no certificate None No third-party COA was publicly available at audit time — 2.46 Poor $4.40 $440.00 / 10 x 10mg pack Shop → Peptide Warehouse US (opens in new tab) 75 PepBiotics 0.0/10 no certificate None No third-party COA was publicly available at audit time — 2.23 Poor $19.80 $98.99 / 5mg Shop → PepBiotics (opens in new tab) 76 Welon Peptide Solutions 0.0/10 no certificate None No third-party COA was publicly available at audit time — 2.13 Poor $0.84 $84.00 / 10 x 10mg pack Shop → Welon Peptide Solutions (opens in new tab) 77 Medura Peptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 1.63 Poor $4.95 $49.49 / 10mg Shop → Medura Peptides (opens in new tab)