L-carnitine is a compound that contains a quaternary ammonium function, and it is biosynthesized from lysine and methionine. This molecule plays a role within the cell in transporting fatty acids from the cytosol to the mitochondria during the catabolism of lipids in energy metabolism.



L-carnitine is a quaternary ammonium compound synthesized from the amino acids lysine and methionine.

Primary Function: L-carnitine plays a crucial role in transporting long-chain fatty acids across the inner mitochondrial membrane, thereby facilitating the beta-oxidation of fatty acids and energy production.


  • Nutritional Supplements: L-carnitine is often used as a dietary supplement to promote weight loss, boost energy, and enhance physical performance. Medications: It is sometimes prescribed for treating disorders related to lipid metabolism.
  • Sports Nutrition: Some athletes use it to support their athletic performance. Food Sources: L-carnitine is naturally found in certain foods, especially animal-based products like red meat, fish, and dairy.


  • L-carnitine is generally considered safe when used according to recommendations. However, side effects may occur, especially at high doses.
  • As with any supplement, it is essential to consult a healthcare professional before starting any supplementation regimen or program.
  • Certifications and Standards: Products containing L-carnitine may be subject to specific standards and certifications depending on the country or region.
  • Cosmetic Applications: L-carnitine may also be present in cosmetic products due to its beneficial properties for the skin and its role in cellular energy metabolism.

Data sheet

CAS Number
HS Code
2933 99 00
Chemical Formula
25 Kg Bag
Name / Reference

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