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Peptides / L-Carnitine

L-Carnitine

209 listings from 133 vendors, from $0.0007/mg. No independent lab tests on record. Prices checked .

Built for researchers comparing L-Carnitine vendors before they buy. It is sold for research in many vial sizes and pack counts, so the listings below are ranked by US dollars per milligram rather than sticker price. A low price per mg says nothing about what is in the vial: the lab column shows whether each vendor has passed an independent test, and the methodology explains what a pass means. Published research on L-Carnitine: PubMed. For research use only; not medical advice.

209 listings

L-Carnitine: quick answers

What is the cheapest L-Carnitine per mg?

Edge Peptides, at $0.001/mg: $700 for 100000 mg × 10 as of 2026-10-19. Prices are the vendor’s own, converted to USD.

Which L-Carnitine vendors passed an independent lab test?

None on record: no vendor has an independent lab test for L-Carnitine yet.

How many vendors sell L-Carnitine?

133 vendors, with 209 listings between them as of 2026-10-19.

Where do the lab results and vendor scores come from?

From Finnrick's independent lab testing; this site is not affiliated with Finnrick or any vendor. The methodology page explains the score, what “passed” means and how price per mg is worked out.

How scores, lab results and price per mg work