best acetyl-l-carnitine and alpha lipoic acid Naturals Acetyl L-Carnitine & 750mg 120 Capsules Acetyl L-Carnitine & Alpha-Lipoic Acid
Description
For example, a 2007 study published in the Russian language by Korkushko et al

Munn-Bosch 2010

10.3389/fimmu.2018.02009 62 CristinoL.BisognoT.MarzoV.D
Clinics often market them as metabolism boosters, claiming they enhance fat burning