Vendor Comparison
Peak Peptide vs Peptidwerk
An independent side-by-side of two COA-verified research-peptide vendors – verification, purity, shipping and live price per mg on the 9 products they both carry. For laboratory research use only.
AttributePeak PeptidePeptidwerk
Purity score—99.5 %from 17 batches
Shipping$4.05—
Discount15%10%
Founded—2026
COA-verified
Ships to1 region1 region
Price per mg on shared products
PeptidePeak PeptidePeptidwerk
BPC-157 10mg$5.20$3.64
Melanotan 2$4.58$3.64
MOTS-C 10mg$3.39$2.60
NAD+ 1000mg$0.12$0.10
Retatrutide (Triple Agonist) 10mg$7.34$5.55
Selank Nasal Spray Kit$5.51$3.12
Semax 10mg$4.58$3.12
TB-500$8.65$3.64
Tesamorelin 10mg$10.09$5.20