acetyl l carnitine running L-CARNITINE Raw Acetyl-L-Carnitine - 60 Servings

But there's some evidence that taking it can increase your strength and exercise performance

The mechanism was proposed to involve copper-dependent enzymes (notably lysyl oxidase, which catalyzes the cross-linking of collagen and elastin and requires copper as a cofactor), GHK-specific effects on growth factor activity, and downstream gene-expression effects in fibroblasts and other tissue-repair-relevant cell types

Abstract Background Oleaginous microorganisms contain oil and fat at amounts greater than 20% of their biomass weight, with fatty acid and chemical compositions often similar to those of vegetable oil and animal fat

Harrison FE, Bowman GL, Polidori MC