company news free test membership sign up Vendors 1,612 vendors top 20 shown sign in for the rest - total score by Purity focus Purity focus purity 99.5%+, dose 35% Finnrick Standard purity 99.5%+, dose 25%, label 0.5 methodology # Vendor Score Cost Tests Products Latest Location 1 Nantong Guangyuan Chemical GYC 89% $1.16/mg 42 2 13 Jul 2026 - 2 Inno Peptides 89% $0.47/mg 21 3 17 Jul 2026 - 3 Marvel Pep 88% $1.00/mg 16 2 13 Jul 2026 China 4 Guangzhou Jeep Biotechnology JEEP 87% $0.57/mg 36 3 20 Jul 2026 china 5 Aavant Research 87% $0.68/mg 18 2 20 May 2026 Us 6 Lejian Biotech Peptide 87% $1.40/mg 8 1 17 Jul 2026 China 7 Amino Lair 87% $1.27/mg 18 2 13 Jul 2026 US 8 Retalux 86% $0.90/mg 15 3 20 Jul 2026 - 9 Wuhan Newtop Biotech 86% $0.09/mg 6 2 8 May 2026 - 10 Paradigm Peptide 86% $5.50/mg 18 2 30 Apr 2026 US 11 Chimera Peptides 86% $1.00/mg 20 2 1 Jul 2026 - 12 Heman Peptide HM 86% $0.80/mg 75 3 20 Jul 2026 China 13 Kits4less 85% $4.47/mg 7 1 3 Mar 2026 US 14 Jinan Elitepeptide Chemical JEC JCE 85% $0.60/mg 12 2 20 Jul 2026 China 15 Nanjing Xiyuxun Technology XYX 85% $1.25/mg 4 2 13 May 2026 Nanjing, Jiangsu, China 16 Xianhong Tong XHT Peptides 84% $0.55/mg 6 1 5 May 2026 China 17 GGPeps 84% $0.59/mg 5 1 13 Jul 2026 - 18 Orbitrex Peptides 84% $4.50/mg 30 4 17 Jul 2026 Us 19 SubQ Society 84% $1.54/mg 11 2 8 May 2026 - 20 PeptiAtlas 84% $0.43/mg 5 1 11 May 2026 china 21 22 23 24 25 26 27 28 29 30 Sign in to browse the full directory All 1,612 vendors ranked, searchable, and sortable with a free account

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2024;19:e0308282
2 Methods 2.1 Bacterial strains This study included 30 CRKP strains isolated from the samples of 30 individual patients
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