Metagenics L-Carnitine L-Tartrate 500 mg Powder, 30 Servings

Our verdict

Metagenics L-Carnitine L-Tartrate 500 mg Powder, 30 Servings works out to $1.17 per serving of l-carnitine, at 500mg per serving in powder form. That puts it above the median of the 46 l-carnitine products we can price per dose, where the typical serving costs $0.18, a Value Index of 0.2 where the median product is 1.0. One container lasts 30 days at the label dose of 1 serving a day, about $34.95 a month. We could not verify a third-party certification for Metagenics in a public registry. Worked out from the current retail price as of 2026-11-13; confirm the live price on Amazon.com before buying.