Vendor Comparison
BioCollex vs CertaPeptides
An independent side-by-side of two COA-verified research-peptide vendors – verification, purity, shipping and live price per mg on the 7 products they both carry. For laboratory research use only.
AttributeBioCollexCertaPeptides
Ships to4 regions2 regions
Discount15%—
Founded20252026
COA-verified
Price per mg on shared products
PeptideBioCollexCertaPeptides
GHK-Cu (3 x 50mg)$0.61$0.81
MOTS-C (3 x 10mg)$3.44$2.99
PT-141 (3 x 10mg)$3.44$4.86
Retatrutide (3 x 10mg)$5.35$6.39
Selank (3 x 10mg)$3.44$4.24
Semax (3 x 10mg)$3.44$4.24
SS-31 (3 x 10mg)$4.97$3.93