5% below the 50 mg middle price
Horizon Analytical, 2026-04-10
2 sellers, $159 to $175 for the 50 mg vial, read 2026-09-30. The price is the whole vial, not a price per milligram of one peptide inside it.
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Best value with a certificate: American Peptide Research, $159 for 50 mg. KLOW blend 50 mg vials, middle price $167 across 2 sellers.
5% below the 50 mg middle price
Horizon Analytical, 2026-04-10
5% above the 50 mg middle price
Site says it tests; no certificate could be found
2 of 2 listings at 50 mg, sorted grade first, then vial price.
We never charge for knowledge. No vendor has a say in what a page says. Sellers are ranked by the certificate they publish, then by price. Every size of KLOW blend · Laboratories named