1 Southern 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 99.731 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 8.09 Strong $1.98 $79.20 / 40mg Shop → Southern Aminos (opens in new tab) 2 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 99.81 Verified (opens in new tab) ILS Laboratories Tier B+ 8.02 Strong $3.37 $134.99 / 40mg Shop → Amino Club (opens in new tab) 3 Modern Aminos 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 99.737 Verified (opens in new tab) Kovera Labs Tier A- 7.88 Strong $2.60 $104.00 / 40mg Shop → Modern Aminos (opens in new tab) 4 Vortex Research 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 99.94 Verified (opens in new tab) ILS Laboratories Tier B+ 5.50 Fair $5.00 $49.99 / 10mg Shop → Vortex Research (opens in new tab) 5 Zeptix Labs 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 99.32 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 8.17 Strong $3.00 $59.99 / 10mg Shop → Zeptix Labs (opens in new tab) Copy PSR20 copied (20% off, affiliate) 6 Prime Peptides 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 99.12 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.94 Strong $6.00 $60.00 / 10mg Shop → Prime Peptides (opens in new tab) 7 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 99.48 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.75 Strong $1.30 $52.00 / 40mg Shop → S1Research (opens in new tab) 8 Ascension Peptides 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 99.588 Verified (opens in new tab) Kovera Labs Tier A- 7.55 Strong $6.20 $62.00 / 10mg Shop → Ascension Peptides (opens in new tab) Copy PSR50 copied (50% off, affiliate) 9 Bluum Peptides 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 99.16 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.37 Strong $2.48 $99.00 / 40mg Shop → Bluum Peptides (opens in new tab) 10 BioLongevity Labs 9.0/10 3 base, +2 MDx BioAnalytical Laboratory tier A+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0 accreditation (tested 2026-05-20, before 2026-06-09), +0.5 purity 99.78 Verified (opens in new tab) MDx BioAnalytical Laboratory Tier A+ 7.24 Strong $11.00 $109.97 / 10mg Shop → BioLongevity Labs (opens in new tab) Copy PSR copied (15% off, affiliate) 11 VERATIS 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 99.68 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.21 Strong $7.00 $70.00 / 10mg Shop → VERATIS (opens in new tab) 12 Limitless Biotech 9.0/10 3 base, +2 TrustPointe Analytics tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 sterility, 0 purity 99.203 Verified (opens in new tab) TrustPointe Analytics Tier B+ 6.97 Fair $10.00 $99.99 / 10mg Shop → Limitless Biotech (opens in new tab) Copy PSR copied (15% off, affiliate) 13 BulkGLP 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 99.41 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.49 Fair $5.00 $200.00 / 40mg Shop → BulkGLP (opens in new tab) 14 NextGen Peps 9.0/10 3 base, +2 Bioviridian tier A-, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 purity 99.79 Verified (opens in new tab) Bioviridian Tier A- 5.95 Fair $4.20 $42.00 / 10mg Shop → NextGen Peps (opens in new tab) Copy PSR10 copied (10% off, affiliate) 15 AminoVault 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 99.66 Verified (opens in new tab) ILS Laboratories Tier B+ 5.78 Fair $4.78 $191.25 / 40mg Shop → AminoVault (opens in new tab) Copy VVBMFBGTOU copied (5% off, affiliate) 16 DAAVY Research 8.5/10 3 base, +2 Bioviridian tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.86 Verified (opens in new tab) Bioviridian Tier A- 8.01 Strong $2.63 $105.00 / 40mg Shop → DAAVY Research (opens in new tab) Copy PSR10 copied (10% off, affiliate) 17 Luv Aminos 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.75 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.90 Strong $3.00 $30.00 / 10mg Shop → Luv Aminos (opens in new tab) Copy PEPTIDESOURCEREVIEW 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 99.69 Verified (opens in new tab) Horizon Analytical Tier A- 7.43 Strong $4.90 $49.00 / 10mg Shop → Direct Peptides (opens in new tab) 19 Peptides Source 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.78 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.17 Strong $3.33 $100.00 / 30mg Shop → Peptides Source (opens in new tab) 20 Pacific Edge Labs 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.72 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.15 Strong $2.50 $99.95 / 40mg Shop → Pacific Edge Labs (opens in new tab) 21 Prime Peptide Solutions 8.5/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.94 Verified (opens in new tab) ILS Laboratories Tier B+ 7.14 Strong $3.12 $124.99 / 40mg Shop → Prime Peptide Solutions (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 endotoxin, 0 purity 99.64 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.98 Fair $4.50 $44.99 / 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 purity 99.86 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.89 Fair $3.00 $60.00 / 20mg Shop → NovaForge Labs (opens in new tab) Copy PSR15 copied (15% off, affiliate) 24 VoriLabs 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 6.87 Fair $2.22 $88.99 / 40mg Shop → VoriLabs (opens in new tab) 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 $3.50 $34.95 / 10mg 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 99.45 Verified (opens in new tab) Horizon Analytical Tier A- 6.55 Fair $5.10 $51.00 / 10mg Shop → Peptyes (opens in new tab) 27 FRO Peptides 8.5/10 3 base, +2 Accumark Labs tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.84 Verified (opens in new tab) Accumark Labs Tier B+ 6.50 Fair $4.50 $44.99 / 10mg Shop → FRO Peptides (opens in new tab) 28 JD BioWorks 8.5/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.74 Verified (opens in new tab) ILS Laboratories Tier B+ 6.34 Fair $6.50 $64.95 / 10mg Shop → JD BioWorks (opens in new tab) Copy PSR10 copied (10% off, affiliate) 29 Hacker Peptides 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.742 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.32 Fair $1.06 $42.48 / 40mg Shop → Hacker Peptides (opens in new tab) 30 NextSelf Labs 8.5/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.72 Verified (opens in new tab) ILS Laboratories Tier B+ 6.26 Fair $2.87 $114.99 / 40mg Shop → NextSelf Labs (opens in new tab) 31 GhostLabz 8.5/10 3 base, +2 ILS Laboratories tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.72 Verified (opens in new tab) ILS Laboratories Tier B+ 6.14 Fair $2.62 $104.99 / 40mg Shop → GhostLabz (opens in new tab) 32 Hello Stacks 8.5/10 3 base, +2 Vanguard Laboratory tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99.13 Verified (opens in new tab) Vanguard Laboratory Tier B+ 6.14 Fair $2.98 $119.00 / 40mg Shop → Hello Stacks (opens in new tab) Copy PSR25 copied (25% off, affiliate) 33 OMNI Peptides 8.5/10 3 base, +2 Accumark Labs tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.951 Verified (opens in new tab) Accumark Labs Tier B+ 6.08 Fair $4.50 $179.99 / 40mg Shop → OMNI Peptides (opens in new tab) 34 Peptide Pro 8.5/10 3 base, +2 Bioviridian tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.85 Verified (opens in new tab) Bioviridian Tier A- 5.60 Fair $6.50 $129.99 / 20mg Shop → Peptide Pro (opens in new tab) 35 Redline Bio Labs 8.5/10 3 base, +2 AV Analytics tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.77 Verified (opens in new tab) AV Analytics Tier A- 4.80 Weak $3.15 $189.00 / 60mg Shop → Redline Bio Labs (opens in new tab) 36 Cernum Biosciences 8.5/10 3 base, +2 Janoshik Analytical tier B+, +1.5 key, +1.5 key confirmed, +0.5 purity 99.8 Verified (opens in new tab) Janoshik Analytical Tier B+ 4.50 Weak Not listedOnly size, 10 mg, out of stock on 2026-11-06 (Store API): carried under the coverage rule, not priced. Shop → Cernum Biosciences (opens in new tab) 37 Spartan Peptides 8.5/10 3 base, +2 MZ Biolabs tier A, +1.5 key, +1.5 key confirmed, +0.5 purity 99.75 Verified (opens in new tab) MZ Biolabs Tier A 3.38 Poor $14.90 $149.00 / 10mg Shop → Spartan Peptides (opens in new tab) 38 Nextday Peptides 8.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99.55 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 3.27 Poor $4.50 $180.00 / 40mg Shop → Nextday Peptides (opens in new tab) 39 LabFirst Peptides 8.0/10 3 base, +2 Kovera Labs tier A-, +1.5 key, +1.5 key confirmed, 0 purity 99.422 Verified (opens in new tab) Kovera Labs Tier A- 7.73 Strong $3.75 $75.00 / 20mg Shop → LabFirst Peptides (opens in new tab) Copy PSR10 copied (10% off, affiliate) 40 Honest Peptide 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.5 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.42 Strong $3.50 $35.00 / 10mg Shop → Honest Peptide (opens in new tab) Copy PSR20 copied (20% off, affiliate) 41 Kyreon 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.38 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 7.29 Strong $6.00 $60.00 / 10mg — 42 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 $3.55 $142.00 / 40mg Shop → NuuVive Peptides (opens in new tab) 43 Rogue Compounds 8.0/10 3 base, +2 Vanguard Laboratory tier B+, +1.5 key, +1.5 key confirmed, 0 purity 99.29 Verified (opens in new tab) Vanguard Laboratory Tier B+ 6.88 Fair $3.47 $138.99 / 40mg Shop → Rogue Compounds (opens in new tab) 44 Bionova Peptides 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.65 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.03 Fair $3.00 $119.99 / 40mg Shop → Bionova Peptides (opens in new tab) 45 Azyrion Labs 8.0/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.41 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 5.45 Weak $4.75 $95.00 / 20mg Shop → Azyrion Labs (opens in new tab) 46 Delix Labs 8.0/10 3 base, +2 Janoshik Analytical tier B+, +1.5 key, +1.5 key confirmed, 0 purity 99.376 Verified (opens in new tab) Janoshik Analytical Tier B+ 4.58 Weak $6.90 $69.00 / 10mg Shop → Delix Labs (opens in new tab) 47 StudzPeptides 6.5/10 3 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, -1.5 purity 98.64 Verified (opens in new tab) Freedom Diagnostics Testing Tier A 6.99 Fair $1.50 $59.99 / 40mg Shop → StudzPeptides (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 $3.25 $130.00 / 40mg Shop → Based Research (opens in new tab) 49 Vyal Labs 4.0/10 3 base, +2 Accurate Test Lab tier B-, +0.5 endotoxin, -1.5 purity 98.86 View (opens in new tab) Accurate Test Lab Tier B- 4.70 Weak $7.90 $79.00 / 10mg Shop → Vyal Labs (opens in new tab) 50 Swiss Chems 2.0/10 no laboratory named on the certificate = 2.0 flat No lab named (opens in new tab) — 5.39 Weak $7.00 $69.95 / 10mg Shop → Swiss Chems (opens in new tab) Copy idjfdqaz copied (10% off, affiliate) 51 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 $2.75 $109.99 / 40mg Shop → Prism Labs (opens in new tab) 52 Peptide.Express 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 3.76 Poor $2.50 $100.00 / 40mg Shop → Peptide.Express (opens in new tab) 53 Lotus Peptide 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 3.68 Poor $1.13 $45.00 / 40mg Shop → Lotus Peptide (opens in new tab) 54 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 $3.20 $127.99 / 40mg Shop → Pexo Labs (opens in new tab) 55 RapidCore Bio 2.0/10 self-issued by the vendor = 2.0 flat Vendor-issued (opens in new tab) — 3.25 Poor $5.00 $50.00 / 10mg Shop → RapidCore Bio (opens in new tab) 56 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 $4.63 $185.00 / 40mg Shop → Peptara Labs (opens in new tab) 57 GenX Bio 0.0/10 no certificate Login-gated COAs are provided but sit behind the vendor's login wall — 4.45 Weak $9.00 $45.00 / 5mg Shop → GenX Bio (opens in new tab) 58 Ageless Peptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 4.30 Weak $5.00 $49.99 / 10mg Shop → Ageless 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 $3.60 $72.00 / 20mg 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 $3.50 $35.00 / 10mg 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 $4.25 $42.50 / 10mg 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 $2.62 $104.95 / 40mg 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 $9.99 $99.90 / 10mg 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 $1.93 $770.00 / 10 x 40mg pack Shop → Peptide Warehouse US (opens in new tab) 65 PepBiotics 0.0/10 no certificate None No third-party COA was publicly available at audit time — 2.23 Poor $7.42 $74.24 / 10mg Shop → PepBiotics (opens in new tab) 66 Welon Peptide Solutions 0.0/10 no certificate None No third-party COA was publicly available at audit time — 2.13 Poor $0.67 $269.00 / 10 x 40mg pack Shop → Welon Peptide Solutions (opens in new tab) 67 Medura Peptides 0.0/10 no certificate None No third-party COA was publicly available at audit time — 1.63 Poor $4.50 $179.99 / 40mg Shop → Medura Peptides (opens in new tab)