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Vendor comparison

OP Labs vs Peptide Science Now

OP Labs and Peptide Science Now list no peptide in the same market, so there is no like-for-like price to compare.

OP Labs
Listings on the index
0
Certificates of analysis on file
none yet
Ships from
not stated
Latest price check
none recorded
Peptide Science Now
Listings on the index
69
Certificates of analysis on file
none yet
Ships from
United States
Latest price check
30 Oct 2026

Two listings are compared only when they are the same peptide in the same market, so a 10-vial kit is never set against a single vial. Price per mg is our arithmetic on the listed price, for comparison; the amount you pay is the listed price for the size shown, so check it on the vendor’s own page before you buy. What price per mg means.

No vendor can pay to change a price or the order of anything on this page. Some outbound links are affiliate links.