Doctor’s Best L-Carnitine Fumarate delivers 500 mg of high-quality L-Carnitine per veggie capsule, using Biosint Carnitines — a pharmaceutical-grade carnitine produced via a patented fermentation process. This form combines L-Carnitine with fumaric acid, supporting optimal stability and bioavailability in a convenient, single-capsule daily serving.

L-Carnitine is a naturally occurring amino acid derivative found throughout the body, particularly in muscle tissue. Doctor’s Best uses only Biosint-sourced carnitines, ensuring a consistently pure and potent product with every serving.

Formulated without gluten, soy, or animal-derived ingredients and encapsulated in a vegetarian capsule, this product is suitable for vegans and vegetarians. With 180 capsules per bottle, Doctor’s Best L-Carnitine Fumarate provides a full six-month supply at the standard daily dose, making it an excellent choice for those seeking long-term, cost-effective nutritional support.