1 Modern Aminos 9.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, +0.5 purity 99.95 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.88 Strong $0.10 $49.00 / 500mg Shop → Modern Aminos (opens in new tab) 2 S1Research 9.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, +0.5 purity 99.97 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.75 Strong $0.06 $56.00 / 1000mg Shop → S1Research (opens in new tab) 3 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 99.878 Verified (opens in new tab) Kovera Labs Tier A- 7.55 Strong $0.10 $104.00 / 1000mg Shop → Ascension Peptides (opens in new tab) Copy PSR50 copied (50% off, affiliate) 4 VERATIS 9.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, +0.5 purity 99.94 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.21 Strong $0.12 $60.00 / 500mg Shop → VERATIS (opens in new tab) 5 Southern Aminos 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 99.05 Verified (opens in new tab) ILS Laboratories Tier B+ 8.09 Strong $0.08 $79.20 / 1000mg Shop → Southern Aminos (opens in new tab) 6 Amino Club 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+ 8.02 Strong $0.14 $69.99 / 500mg Shop → Amino Club (opens in new tab) 7 Transition Biotech 9.0/10 3 base, +2 Kovera Labs tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, 0 purity 99.371 Verified (opens in new tab) Kovera Labs Tier A- 7.98 Strong $0.07 $34.99 / 500mg Shop → Transition Biotech (opens in new tab) 8 Prime Peptides 9.0/10 3 base, +2 Horizon Analytical tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 purity 99.98 Verified (opens in new tab) Horizon Analytical Tier A- 7.94 Strong $0.14 $135.00 / 1000mg Shop → Prime Peptides (opens in new tab) 9 BioLongevity Labs 9.0/10 3 base, +2 AV Analytics tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 purity 99.82 Verified (opens in new tab) AV Analytics Tier A- 7.24 Strong $0.50 $249.97 / 500mg Shop → BioLongevity Labs (opens in new tab) Copy PSR copied (15% off, affiliate) 10 Arctic Lab Supply 9.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 purity 99.83 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.98 Fair $0.10 $99.99 / 1000mg Shop → Arctic Lab Supply (opens in new tab) Copy PSRINFO copied (25% off, affiliate) 11 VoriLabs 9.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 purity 99.99 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.87 Fair $0.10 $51.99 / 500mg Shop → VoriLabs (opens in new tab) 12 BulkGLP 9.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 purity 99.92 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.49 Fair $0.20 $99.00 / 500mg Shop → BulkGLP (opens in new tab) 13 NextGen Peps 9.0/10 3 base, +2 Bioviridian tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 purity 99.81 Verified (opens in new tab) Bioviridian Tier A- 5.95 Fair $0.16 $78.00 / 500mg Shop → NextGen Peps (opens in new tab) Copy PSR10 copied (10% off, affiliate) 14 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 99.45 Verified (opens in new tab) ILS Laboratories Tier B+ 5.50 Fair $0.14 $69.99 / 500mg Shop → Vortex Research (opens in new tab) 15 DAAVY Research 8.5/10 3 base, +2 Bioviridian tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.87 Verified (opens in new tab) Bioviridian Tier A- 8.01 Strong $0.07 $67.00 / 1000mg Shop → DAAVY Research (opens in new tab) Copy PSR10 copied (10% off, affiliate) 16 Luv Aminos 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.95 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.90 Strong $0.06 $55.00 / 1000mg Shop → Luv Aminos (opens in new tab) Copy PEPTIDESOURCEREVIEW copied (10% off, affiliate) 17 LabFirst Peptides 8.5/10 3 base, +2 Kovera Labs tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.766 Verified (opens in new tab) Kovera Labs Tier A- 7.73 Strong $0.16 $80.00 / 500mg Shop → LabFirst Peptides (opens in new tab) Copy PSR10 copied (10% off, affiliate) 18 Direct Peptides 8.5/10 3 base, +2 Horizon Analytical tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99.67 Verified (opens in new tab) Horizon Analytical Tier A- 7.43 Strong $0.13 $129.00 / 1000mg Shop → Direct Peptides (opens in new tab) 19 Honest Peptide 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.98 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.42 Strong $0.11 $112.00 / 1000mg Shop → Honest Peptide (opens in new tab) Copy PSR20 copied (20% off, affiliate) 20 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 99.53 Verified (opens in new tab) Horizon Analytical Tier A- 7.37 Strong $0.11 $109.00 / 1000mg Shop → Bluum Peptides (opens in new tab) 21 Kyreon 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.92 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.29 Strong $0.10 $95.00 / 1000mg — 22 Pacific Edge Labs 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.99 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.15 Strong $0.09 $94.95 / 1000mg Shop → Pacific Edge Labs (opens in new tab) 23 Prime Peptide Solutions 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+ 7.14 Strong $0.10 $99.99 / 1000mg Shop → Prime Peptide Solutions (opens in new tab) 24 NovaForge Labs 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.98 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.89 Fair $0.07 $75.00 / 1000mg Shop → NovaForge Labs (opens in new tab) Copy PSR15 copied (15% off, affiliate) 25 Modified Aminos 8.5/10 3 base, +2 Ethos Analytics Laboratory tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, no purity figure Verified (opens in new tab) Ethos Analytics Laboratory Tier B+ 6.75 Fair $0.08 $79.99 / 1000mg Shop → Modified Aminos (opens in new tab) Copy PSR copied (10% 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 99.51 Verified (opens in new tab) Horizon Analytical Tier A- 6.55 Fair $0.10 $99.00 / 1000mg Shop → Peptyes (opens in new tab) 27 Pulse Peptide Labs 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.898 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.50 Fair $0.20 $199.00 / 1000mg Shop → Pulse Peptide Labs (opens in new tab) 28 Hacker Peptides 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.941 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.32 Fair $0.05 $26.43 / 500mg Shop → Hacker Peptides (opens in new tab) 29 Hello Stacks 8.5/10 3 base, +2 Vanguard Laboratory tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99.14 Verified (opens in new tab) Vanguard Laboratory Tier B+ 6.14 Fair $0.09 $89.00 / 1000mg Shop → Hello Stacks (opens in new tab) Copy PSR25 copied (25% off, affiliate) 30 OMNI Peptides 8.5/10 3 base, +2 Accumark Labs tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.962 Verified (opens in new tab) Accumark Labs Tier B+ 6.08 Fair $0.10 $99.99 / 1000mg Shop → OMNI Peptides (opens in new tab) 31 Bionova Peptides 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.94 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.03 Fair $0.10 $99.99 / 1000mg Shop → Bionova Peptides (opens in new tab) 32 AminoWave Labs 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.88 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 5.87 Fair $0.10 $50.00 / 500mg Shop → AminoWave Labs (opens in new tab) 33 Swiss Chems 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.89 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 5.39 Weak $0.48 $47.95 / 100mg Shop → Swiss Chems (opens in new tab) Copy idjfdqaz copied (10% off, affiliate) 34 Redline Bio Labs 8.5/10 3 base, +2 AV Analytics tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.8 Verified (opens in new tab) AV Analytics Tier A- 4.80 Weak $0.09 $86.00 / 1000mg Shop → Redline Bio Labs (opens in new tab) 35 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 $0.17 $167.00 / 1000mg Shop → NuuVive Peptides (opens in new tab) 36 FRO Peptides 8.0/10 3 base, +2 Accumark Labs tier B+, +1.5 key, +1.5 key confirmed, 0 purity 99.68 Verified (opens in new tab) Accumark Labs Tier B+ 6.50 Fair $0.16 $79.99 / 500mg Shop → FRO Peptides (opens in new tab) 37 NextSelf Labs 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.64 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.26 Fair $0.14 $69.99 / 500mg Shop → NextSelf Labs (opens in new tab) 38 GhostLabz 8.0/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, 0 purity 99.18 Verified (opens in new tab) ILS Laboratories Tier B+ 6.14 Fair $0.08 $84.99 / 1000mg Shop → GhostLabz (opens in new tab) 39 AminoVault 8.0/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, 0 purity 99.24 Verified (opens in new tab) ILS Laboratories Tier B+ 5.78 Fair $0.14 $135.15 / 1000mg Shop → AminoVault (opens in new tab) Copy VVBMFBGTOU copied (5% off, affiliate) 40 Azyrion Labs 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.68 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 5.45 Weak $0.16 $78.95 / 500mg Shop → Azyrion Labs (opens in new tab) 41 Cernum Biosciences 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+ 4.50 Weak $0.20 $98.99 / 500mg Shop → Cernum Biosciences (opens in new tab) 42 GenX Bio 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.44 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 4.45 Weak $0.10 $105.00 / 1000mg Shop → GenX Bio (opens in new tab) 43 Curo 7.5/10 3 base, +2 BT Labs tier B, +1.5 key, +0.5 endotoxin (separate report), +0.5 purity 99.9 View (opens in new tab) BT Labs Tier B 6.27 Fair $0.15 $149.00 / 1000mg Shop → Curo (opens in new tab) 44 StudzPeptides 6.5/10 3 base, +2 Vanguard Laboratory tier B+, +1.5 key, +1.5 key confirmed, -1.5 purity 98.1 Verified (opens in new tab) Vanguard Laboratory Tier B+ 6.99 Fair $0.05 $49.99 / 1000mg Shop → StudzPeptides (opens in new tab) 45 Rogue Compounds 6.5/10 3 base, +2 Vanguard Laboratory tier B+, +1.5 key, +1.5 key confirmed, -1.5 purity 98.42 Verified (opens in new tab) Vanguard Laboratory Tier B+ 6.88 Fair $0.10 $48.99 / 500mg Shop → Rogue Compounds (opens in new tab) 46 JD BioWorks 6.5/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, -1.5 purity 97.51 Verified (opens in new tab) ILS Laboratories Tier B+ 6.34 Fair $0.14 $69.95 / 500mg Shop → JD BioWorks (opens in new tab) Copy PSR10 copied (10% off, affiliate) 47 Vyal Labs 5.5/10 3 base, +2 Accurate Test Lab tier B-, +0.5 endotoxin, 0 purity 99.67 View (opens in new tab) Accurate Test Lab Tier B- 4.70 Weak $0.17 $169.00 / 1000mg Shop → Vyal Labs (opens in new tab) 48 Based Research 4.5/10 3 base, +0 Analytical Formulations tier C, +1.5 key, 0 purity 99.5 View (opens in new tab) Analytical Formulations Tier C 4.54 Weak $0.16 $159.00 / 1000mg Shop → Based Research (opens in new tab) 49 Prism Labs 2.0/10 Proof Point Analytical tier D: independence not established = 2.0 flat Vendor report (lab not established) (opens in new tab) Proof Point Analytical Tier D 3.92 Poor $0.07 $69.99 / 1000mg Shop → Prism Labs (opens in new tab) 50 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 3.76 Poor $0.12 $60.00 / 500mg Shop → Peptide.Express (opens in new tab) 51 Pexo Labs 2.0/10 Amino Metrics tier D: independence not established = 2.0 flat Vendor report (lab not established) (opens in new tab) Amino Metrics Tier D 3.63 Poor $0.12 $59.99 / 500mg Shop → Pexo Labs (opens in new tab) 52 RapidCore Bio 2.0/10 self-issued by the vendor = 2.0 flat Vendor-issued (opens in new tab) — 3.25 Poor $0.09 $90.00 / 1000mg Shop → RapidCore Bio (opens in new tab) 53 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 $0.15 $150.00 / 1000mg Shop → Peptara Labs (opens in new tab) 54 Peptide Pro 0.0/10 posted copy differs from the lab's copy = 0 View COA (differs from lab copy) (opens in new tab) Horizon Analytical Tier A- 5.60 Fair $0.16 $79.90 / 500mg Shop → Peptide Pro (opens in new tab) 55 Delix Labs 0.0/10 no certificate None No third-party COA was publicly available at audit time — 4.58 Weak $0.12 $58.00 / 500mg Shop → Delix Labs (opens in new tab) 56 Ageless Peptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 4.30 Weak $0.12 $59.99 / 500mg Shop → Ageless Peptides (opens in new tab) 57 Lotus Peptide 0.0/10 no certificate None No third-party COA was publicly available at audit time — 3.68 Poor $0.06 $30.00 / 500mg Shop → Lotus Peptide (opens in new tab) 58 Spartan Peptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 3.38 Poor $0.37 $279.00 / 750mg Shop → Spartan Peptides (opens in new tab) 59 Drexa Labs 0.0/10 no certificate None No third-party COA was publicly available at audit time — 3.23 Poor $0.12 $115.00 / 1000mg Shop → Drexa Labs (opens in new tab) 60 Snowman Research 0.0/10 no certificate None No third-party COA was publicly available at audit time — 3.06 Poor $0.07 $70.00 / 1000mg Shop → Snowman Research (opens in new tab) 61 YourFitnessPeptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 2.75 Poor $0.11 $109.42 / 1000mg Shop → YourFitnessPeptides (opens in new tab) 62 Anhydrolabs 0.0/10 no certificate None No third-party COA was publicly available at audit time — 2.67 Poor $0.09 $44.95 / 500mg Shop → Anhydrolabs (opens in new tab) 63 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+ 2.51 Poor $0.34 $169.90 / 500mg Shop → Stack Research (opens in new tab) 64 Peptide Warehouse US 0.0/10 no certificate None No third-party COA was publicly available at audit time — 2.46 Poor $0.09 $470.00 / 10 x 500mg pack Shop → Peptide Warehouse US (opens in new tab) 65 Welon Peptide Solutions 0.0/10 no certificate None No third-party COA was publicly available at audit time — 2.13 Poor $0.01 $107.00 / 10 x 1000mg pack Shop → Welon Peptide Solutions (opens in new tab) 66 Medura Peptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 1.63 Poor $0.11 $112.49 / 1000mg Shop → Medura Peptides (opens in new tab)