Top 10 Peptide Companies & All Research Vendors Reviewed

Independent editorial scoring across purity, COA quality, pricing and shipping for 286 research peptide vendors. Research use only.

• Protide Health review — 4.80/5, purity: 99.53% avg — HPLC-UV + LC-MS
• Limitless Life Nootropics review — 4.50/5, purity: HPLC + LC-MS, sterility & endotoxin testing
• LiveWell Peptides review — 4.30/5, purity: Third-party HPLC + LC-MS per batch
• Purity Peptides review — 4.20/5, purity: Third-party HPLC + LC-MS per batch
• American Peptides review — 4.20/5, purity: Tested for purity, identity, sterility, endotoxins, heavy metals
• PSPeptides review — 4.10/5, purity: Independent HPLC/MS testing
• Pure Health Peptides review — 4.00/5, purity: Third-party tested in the USA
• Cernum Biosciences review — 4.00/5, purity: Batch-level documentation
• Xcel Peptides review — 3.90/5, purity: Third-party tested
• Peptide Vault review — 3.80/5, purity: Third-party tested
• Swiss Chems review — 4.10/5, purity: HPLC published (issuing lab not disclosed)
• Core Peptides review — 4.00/5, purity: >98% (third-party HPLC)
• Umbrella Labs review — 4.30/5, purity: Independent HPLC + LC/GC-MS by named chemists
• Biotech Peptides review — 3.90/5, purity: In-house QC only
• Sports Technology Labs review — 4.40/5, purity: ≥98% HPLC, accredited US lab
• Peptide Pros review — 3.95/5, purity: HPLC at 214nm + MS, amino acid & elemental analysis
• Behemoth Labz review — 3.90/5, purity: HPLC, TGA, UV-Vis, FTIR (lab unnamed)
• Eternal Peptides review — 3.80/5, purity: Janoshik COAs (some dated)
• Blue Sky Peptide review — 3.60/5, purity: MS + UV only (no HPLC)
• Amino Asylum review — 3.20/5, purity: Claims >99%, mass-spec verified (QC inconsistent)
• AminoVault review — 4.35/5, purity: ≥99% — tested twice, ISO/IEC 17025 accredited lab
• ezPeps review — 4.30/5, purity: >99% pharmaceutical grade — 8x batch testing
• Snap Peptides review — 4.00/5, purity: Third-party tested, 7x per batch
• Everest Peptides review — 4.15/5, purity: ≥99% — independent third-party lab
• Palmetto Peptides review — 4.05/5, purity: ≥98% — third-party COA verified
• LynxLabs review — 3.80/5, purity: Batch-linked third-party COAs where available
• GenScript review — 3.50/5, purity: The provided content does not explicitly state purity claims for peptides or specific testing methodologies.
• Paradigm Peptide review — 4.40/5, purity: ≥98% — third-party tested
• Aavant Research review — 4.30/5, purity: ≥98% — third-party tested
• Marvel Pep review — 4.30/5, purity: ≥98% — third-party tested
• Xianhong Tong XHT Peptides review — 4.00/5, purity: ≥98% — third-party tested
• Lejian Biotech Peptide review — 3.90/5, purity: ≥97% — COA provided
• Andy Peps Studio review — 4.20/5, purity: ≥98% — third-party tested
• Peptide Partners review — 4.10/5, purity: ≥98% — third-party tested
• Yabang Peptide review — 3.80/5, purity: ≥97% — COA provided
• Polaris Peptides review — 3.70/5, purity: ≥97% — COA provided
• NextechLabs review — 3.50/5, purity: ≥97% — COA provided
• Yiwu Aozuo Trading Co review — 4.00/5, purity: ≥98% — third-party tested
• Shandong Shengyuan Peptide Technology review — 3.90/5, purity: ≥97% — COA provided
• Reta-Peptide review — 3.80/5, purity: ≥97% — COA provided
• Bulk Peptide Supply review — 3.80/5, purity: ≥97% — COA provided
• Huaian Hanyou Peptide review — 3.80/5, purity: ≥97% — COA provided
• Skye Peptides review — 3.60/5, purity: ≥97% — COA provided
• Qing Li Peptide review — 3.60/5, purity: ≥97% — COA provided
• HK Peptides review — 3.50/5, purity: ≥97% — COA provided
• Paramount Peptides review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Astro Peptides review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Lisa Biopeptide review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Amino Amigos review — 2.80/5, purity: Purity claims unverified
• Trusted Peptide review — 5.00/5, purity: ≥99% — third-party HPLC + MS verified
• Risynth Bio review — 4.60/5, purity: ≥99% — third-party HPLC + MS verified
• Bulk Peptide Wholesale review — 4.60/5, purity: ≥99% — third-party HPLC + MS verified
• Rhome Research review — 4.60/5, purity: ≥99% — third-party HPLC + MS verified
• PeptiAtlas review — 4.50/5, purity: ≥99% — third-party HPLC + MS verified
• China Peptides Supplier review — 4.50/5, purity: ≥99% — third-party HPLC + MS verified
• NUPEPS Peptides review — 4.50/5, purity: ≥99% — third-party HPLC + MS verified
• Qingdao Meipeptide Technology review — 4.40/5, purity: ≥98% — third-party tested
• TP Peptide review — 4.40/5, purity: ≥98% — third-party tested
• Aminos Research review — 4.30/5, purity: ≥98% — third-party tested
• FSD review — 4.30/5, purity: ≥98% — third-party tested
• Hunan GoodPeptides Biotech Co review — 4.30/5, purity: ≥98% — third-party tested
• The Naughty Needle review — 4.30/5, purity: ≥98% — third-party tested
• Yk Nuoao Peptide review — 4.30/5, purity: ≥98% — third-party tested
• Great Basin Bio Supply review — 4.30/5, purity: ≥98% — third-party tested
• RR Biohakr review — 4.20/5, purity: ≥98% — third-party tested
• Peptime review — 4.20/5, purity: ≥98% — third-party tested
• GrayPep review — 4.20/5, purity: ≥98% — third-party tested
• Saiyan Med review — 4.10/5, purity: ≥98% — third-party tested
• Lux Synth Aminos review — 4.10/5, purity: ≥98% — third-party tested
• MT Meipept review — 4.00/5, purity: ≥98% — third-party tested
• Superior Peptides review — 4.00/5, purity: ≥98% — third-party tested
• Alchemy Peptides review — 4.00/5, purity: ≥98% — third-party tested
• NextGen Health review — 4.00/5, purity: ≥98% — third-party tested
• Inno Peptides review — 3.90/5, purity: ≥97% — COA provided
• OmegAmino review — 3.90/5, purity: ≥97% — COA provided
• Crestpeptide review — 3.90/5, purity: ≥97% — COA provided
• TCI review — 3.80/5, purity: ≥97% — COA provided
• Guangzhou yunyu trading review — 3.80/5, purity: ≥97% — COA provided
• Zhejiang Jiuzhou Chem Co review — 3.80/5, purity: ≥97% — COA provided
• Diju Peptides Wellness and Co review — 3.70/5, purity: ≥97% — COA provided
• Yiwu Beigong review — 3.70/5, purity: ≥97% — COA provided
• Zhang TY review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• PugPeps review — 1.00/5, purity: No verifiable purity data
• Cactus Peptides review — 1.00/5, purity: No verifiable purity data
• Orbitrex Peptides review — 4.20/5, purity: ≥98% — third-party tested
• Peptide Technologies review — 4.20/5, purity: ≥98% — third-party tested
• Guangzhou Jeep Biotechnology JEEP review — 4.20/5, purity: ≥98% — third-party tested
• Yidan Biotech review — 4.10/5, purity: ≥98% — third-party tested
• NuLife Peptides review — 4.00/5, purity: ≥98% — third-party tested
• Peptide Haven review — 3.90/5, purity: ≥97% — COA provided
• Peptidology review — 3.80/5, purity: ≥97% — COA provided
• Rayshine Peptide Biochemicals review — 4.30/5, purity: ≥98% — third-party tested
• Pure Tested Peptides review — 4.10/5, purity: ≥98% — third-party tested
• Qianmiao Peptide review — 4.10/5, purity: ≥98% — third-party tested
• Zhengzhou Lan Yun Cosmetic Trading review — 3.90/5, purity: ≥97% — COA provided
• Atomik Labz review — 3.90/5, purity: ≥97% — COA provided
• HealthTide Biotech review — 3.70/5, purity: ≥97% — COA provided
• Hunan Ruiwang Technology Center review — 3.70/5, purity: ≥97% — COA provided
• Precision Peptide Co review — 3.70/5, purity: ≥97% — COA provided
• Bopeptide Biotechnology review — 3.60/5, purity: ≥97% — COA provided
• Verified Peptides review — 3.50/5, purity: ≥97% — COA provided
• Science review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• SubQ Society review — 4.00/5, purity: ≥98% — third-party tested
• Planet Peptide review — 3.60/5, purity: ≥97% — COA provided
• Nuscience Peptides review — 3.60/5, purity: ≥97% — COA provided
• Simple Peptide review — 3.50/5, purity: ≥97% — COA provided
• Pure Rawz review — 3.50/5, purity: ≥97% — COA provided
• Peptide Crafters review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Lipeptides review — 4.10/5, purity: ≥98% — third-party tested
• Pura Peptides review — 3.90/5, purity: ≥97% — COA provided
• Shanghai Baoju review — 3.80/5, purity: ≥97% — COA provided
• Injectify review — 3.70/5, purity: ≥97% — COA provided
• HkRoids review — 3.70/5, purity: ≥97% — COA provided
• Uther review — 3.70/5, purity: ≥97% — COA provided
• Anlv Biotechnology review — 3.70/5, purity: ≥97% — COA provided
• Coffee and Peppers review — 3.70/5, purity: ≥97% — COA provided
• Shandong Aishi Biotechnology review — 3.70/5, purity: ≥97% — COA provided
• Peptide-S review — 3.60/5, purity: ≥97% — COA provided
• Tianjin Ruiwang New Material Technology Co review — 3.60/5, purity: ≥97% — COA provided
• ZLZ Peptide review — 3.50/5, purity: ≥97% — COA provided
• YB Peptide review — 3.50/5, purity: ≥97% — COA provided
• Shanxi Qianyecao Biotech QYC review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Lumira review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Homopeptide review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Xian Yihang Technology review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Peptide Sciences review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Oupeptide review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Shenzhen Loga Tech LG LOGA review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• PurePeptides review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Accelerate Labs review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Biolongevity Labs review — 3.00/5, purity: Claimed ≥95% — limited independent verification
• Shenzhen Jiechuang Trading review — 3.00/5, purity: Claimed ≥95% — limited independent verification
• Forever Young Pharmacy review — 2.90/5, purity: Purity claims unverified
• Prime Peptides review — 2.90/5, purity: Purity claims unverified
• Shanghai OuDaXin New Material Technology Center review — 2.90/5, purity: Purity claims unverified
• Suaway Lab Research review — 2.70/5, purity: Purity claims unverified
• Pharma Grade Peptides review — 2.70/5, purity: Purity claims unverified
• Liberty Peptides review — 2.70/5, purity: Purity claims unverified
• Loti Labs review — 2.50/5, purity: Purity claims unverified
• Coastal Peptides review — 2.40/5, purity: Purity claims unverified
• Deuschem review — 2.10/5, purity: Purity claims unverified
• P3 Labz review — 4.40/5, purity: ≥98% — third-party tested
• PurePEPS review — 3.70/5, purity: ≥97% — COA provided
• Peptronix Bio PTB review — 3.70/5, purity: ≥97% — COA provided
• M-Peptides review — 3.90/5, purity: ≥97% — COA provided
• Shanghai Wibson Biotechnology WBS review — 3.90/5, purity: ≥97% — COA provided
• Golden Eagle review — 3.60/5, purity: ≥97% — COA provided
• Royal Peptides review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Bfflist AMO review — 4.10/5, purity: ≥98% — third-party tested
• Henan Sahe Peptide review — 3.70/5, purity: ≥97% — COA provided
• Amino Lair review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Bfflink review — 4.00/5, purity: ≥98% — third-party tested
• Noble Dragons review — 3.90/5, purity: ≥97% — COA provided
• Zenith Jove Peptide ZJ review — 3.60/5, purity: ≥97% — COA provided
• Nexaph review — 3.60/5, purity: ≥97% — COA provided
• Platinum Cryo review — 2.80/5, purity: Purity claims unverified
• Crush Research review — 4.20/5, purity: ≥98% — third-party tested
• Shanghai Huahaige Plastic review — 4.20/5, purity: ≥98% — third-party tested
• Shanghai JinBei Chemical Technology review — 3.90/5, purity: ≥97% — COA provided
• NovaPeptide review — 3.90/5, purity: ≥97% — COA provided
• Penguin Peptides review — 3.70/5, purity: ≥97% — COA provided
• Baohua Dongnuo Biotechnology BHD review — 3.60/5, purity: ≥97% — COA provided
• DAHAN Peptide review — 3.60/5, purity: ≥97% — COA provided
• Guangzhou Yuao Trading review — 3.60/5, purity: ≥97% — COA provided
• PepClub USA review — 3.60/5, purity: ≥97% — COA provided
• Wuhan Muwang Trading review — 3.50/5, purity: ≥97% — COA provided
• Eros Peptides review — 3.50/5, purity: ≥97% — COA provided
• Sunny sky peptides review — 3.50/5, purity: ≥97% — COA provided
• Champion Peptide review — 3.50/5, purity: ≥97% — COA provided
• Bio Pepz review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• XTP review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Shandong Nuoweiou Medical Technology Co review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Apextide Bio review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Huayi Biotechnology review — 3.50/5, purity: ≥97% — COA provided
• Yongkang Nuoao Trading Co review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Jinan Elitepeptide Chemical JEC JCE review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Xingruida XDR review — 3.70/5, purity: ≥97% — COA provided
• Cellupep review — 3.70/5, purity: ≥97% — COA provided
• Kerisite Shenzhen International review — 3.60/5, purity: ≥97% — COA provided
• BeiBangAn review — 3.50/5, purity: ≥97% — COA provided
• Top Peptide review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• GLP Keep Body Peptide review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Mai Peptide review — 3.90/5, purity: ≥97% — COA provided
• PeptiSlim review — 3.80/5, purity: ≥97% — COA provided
• Baoju Chemical review — 3.70/5, purity: ≥97% — COA provided
• LiliPeptide review — 3.70/5, purity: ≥97% — COA provided
• Shanghai ERP peptide Biotechnology review — 3.60/5, purity: ≥97% — COA provided
• Tianjin Finder Chemical TFC review — 3.60/5, purity: ≥97% — COA provided
• HXNet review — 3.50/5, purity: ≥97% — COA provided
• Allen Biotechnology Co ABC review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Shanghai Leader Peptide Biotechnology review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Yimei review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Hangzhou Youngpeptide Biotechnology HYB review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Welon Peptide Solutions review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Guangzhou Lengiuanhuang Cosmetics review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• SRY Labs review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Haikou Mingheng Technology review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• WllyBIO review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Steady Meds review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Zen Peptides review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Zhejiang Yichenkang Biotechnology review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Zhuoyue Biotechnology review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Alpha-Gen review — 3.00/5, purity: Claimed ≥95% — limited independent verification
• LN Peptides review — 3.00/5, purity: Claimed ≥95% — limited independent verification
• Oasis Peptides review — 2.90/5, purity: Purity claims unverified
• Elite Research USA review — 2.80/5, purity: Purity claims unverified
• PeptiLab Research review — 2.60/5, purity: Purity claims unverified
• Peptide Gurus review — 1.80/5, purity: No verifiable purity data
• EZ Peptides review — 3.90/5, purity: ≥97% — COA provided
• Kits4less review — 3.70/5, purity: ≥97% — COA provided
• Chimera Peptides review — 3.70/5, purity: ≥97% — COA provided
• Mokemei Zhengzhou Biotechnology MKM review — 3.60/5, purity: ≥97% — COA provided
• Xingtai Pukelai Technology Co review — 3.60/5, purity: ≥97% — COA provided
• Huatai Peptide review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Heman Peptide HM review — 3.70/5, purity: ≥97% — COA provided
• Laicuinuo LCN review — 3.60/5, purity: ≥97% — COA provided
• Xingtai Jiachuang Technology review — 3.50/5, purity: ≥97% — COA provided
• LSPL review — 3.50/5, purity: ≥97% — COA provided
• Hebei Rimao Technology review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• ZhuoYan lab review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Maidihao review — 3.90/5, purity: ≥97% — COA provided
• Zztai Peptide review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Evolve BioPep review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Wuhan Newtop Biotech review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Wuhan HongyouJie HYJ review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Pinecrest Peptide review — 3.00/5, purity: Claimed ≥95% — limited independent verification
• Qingfuji Trading review — 2.80/5, purity: Purity claims unverified
• Cocer Peptides review — 3.50/5, purity: ≥97% — COA provided
• Dalian Handom Chemicals HDC review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Hangzhou Mandy Biotechnology review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Nanjing Xiyuxun Technology XYX review — 3.00/5, purity: Claimed ≥95% — limited independent verification
• ZZQ Peptides review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• TSC Top Supplements China review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• EHZ Peptides review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• ZePeptide review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Huaian Dinglin Trading review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Dankang BioHealth review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Super Peptides review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Tianjin Eleli Technology Development review — 3.00/5, purity: Claimed ≥95% — limited independent verification
• Tydes review — 2.50/5, purity: Purity claims unverified
• Amplified Amino review — 2.50/5, purity: Purity claims unverified
• Peptides 4 Research review — 2.20/5, purity: Purity claims unverified
• Biolabshop Limited review — 1.70/5, purity: No verifiable purity data
• Cyco peptide Bio CPB review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Mix Peptides review — 3.50/5, purity: ≥97% — COA provided
• Haikou Mingheng Biotechnology review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Hybiopeptides review — 2.90/5, purity: Purity claims unverified
• Alimo Peptide review — 2.70/5, purity: Purity claims unverified
• Peptides For Sale review — 1.50/5, purity: No verifiable purity data
• Barn review — 3.80/5, purity: ≥97% — COA provided
• UWA Elite Peptides review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Xingtai Lesda Technology review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Changsha Xjun Technology review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Shaanxi Dideu Medichem review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Junli Peptide review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Quenna PMQ review — 3.10/5, purity: Claimed ≥95% — limited independent verification
• Changan District Sheng Peptide Trading review — 3.00/5, purity: Claimed ≥95% — limited independent verification
• Kerui Peptide HongKong review — 2.90/5, purity: Purity claims unverified
• Rethel Jinan New Energy Technology review — 2.30/5, purity: Purity claims unverified
• Changsha Duole Technology review — 2.20/5, purity: Purity claims unverified
• Peptide Pole Hongkong review — 3.60/5, purity: ≥97% — COA provided
• Hong Kong Lemite Group Limited review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Sunrise BioResearch review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Maddox Research review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Qingdao Hongshengda Trading review — 3.30/5, purity: Claimed ≥95% — limited independent verification
• Qingdao Saber Technology Pharma QST review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Modern Aminos review — 3.00/5, purity: Claimed ≥95% — limited independent verification
• Kandies review — 3.00/5, purity: Claimed ≥95% — limited independent verification
• Guangzhou Aoyu review — 2.90/5, purity: Purity claims unverified
• YuYi peptide review — 2.60/5, purity: Purity claims unverified
• Qingdao VitaConin International Trading review — 2.20/5, purity: Purity claims unverified
• VIP Wellness Access review — 1.30/5, purity: No verifiable purity data
• Zhuoyan Peptides review — 1.00/5, purity: No verifiable purity data
• Nantong Guangyuan Chemical GYC review — 3.90/5, purity: ≥97% — COA provided
• Qingdao Sigma Chemical QSC review — 3.60/5, purity: ≥97% — COA provided
• Shanghai Sigma Audley SSA review — 3.50/5, purity: ≥97% — COA provided
• Wuhan Wansheng Biotechnology review — 3.40/5, purity: Claimed ≥95% — limited independent verification
• Glamgurcraft Innovations Foreign Trade review — 4.00/5, purity: ≥98% — third-party tested
• Hazel review — 3.80/5, purity: ≥97% — COA provided
• AKS Chem review — 3.70/5, purity: ≥97% — COA provided
• Peptide Worldwide review — 3.60/5, purity: ≥97% — COA provided
• Regenerative Research review — 3.20/5, purity: Claimed ≥95% — limited independent verification
• Dragon Pharma review — 2.90/5, purity: Purity claims unverified
• Wolverine Peptides review — 2.50/5, purity: Purity claims unverified
• Richards Biotech Simply Richards review — 2.50/5, purity: Purity claims unverified
• Expert Peptide review — 1.00/5, purity: No verifiable purity data