Best L-Carnitine
The best l-carnitine we track, ranked by real cost-per-dose — not paid placements. Across 22 tracked options the typical dose runs $0.28 per serving.
Prices checked Jun 23, 2026
Best valueNutricost L-Carnitine Tartrate 1
$0.08 per serving — the cheapest l-carnitine dose we track.
Full ranking by cost per dose
Cost-per-serving normalizes price across bottle sizes — a 60-count and a 365-count compare fairly. Top 20 of 22 shown.
See also: cheapest l-carnitine per dose · L-Carnitine basics
Frequently asked
What is the best-value L-Carnitine supplement?+
Nutricost L-Carnitine Tartrate 1 — $0.08 per serving ($19.95 for 240 servings), the lowest cost-per-dose l-carnitine in our Amazon US catalog as of June 2026.
What is the typical cost per dose for L-Carnitine?+
About $0.28 per serving across 22 tracked l-carnitine products, ranging from $0.15 for the best deals to $0.41 for premium options.
What's the cheapest effective L-Carnitine?+
To reach the commonly-studied 1,000 mg/day dose, Horbäach Acetyl L-Carnitine 1500mg | 200 Capsules | Extra Strength… is the best value at $0.07 per day — cheaper than bottles that look low-priced per serving but are underdosed.