l'carnitine 500 mg Mitochondria function & Energy I L-Carnitine I Life Extension particularly for those leading active lifestyles or seeking to enhance their fitness routines Now Foods Acetyl-L Carnitine Powder

J Huazhong Univ Sci Technolog Med Sci 25:501504

It is therefore much easier to supply L-Carnitine in its free form

Fiskus W, Masarova L, Mill CP, Birdwell CE, Das K, Hou H, Davis JA, Jain A, Malovannaya A, Manshouri T, Dunbar A, Sharma S, Kadia TM, DiNardo CD, Bose P, Pemmaraju N , Loghavi S, Su X, Rampal RK, Torngren M, Bhalla KN

J Nutr (2003) 133:13027

Carnitine is required for the transport of long-chain acylcarnitines into the mitochondrial matrix, otherwise they accumulate in the mitochondrial intermembrane space and induce detrimental effects on both mitochondrial respiration and pyruvate metabolism

Acetyl L-carnitine (ALCAR) Acetyl L-carnitine is created in the body from the amino acids' lysine and methionine