pure acetyl l-carnitine 100g by nutricost 1000mg serv 100 servings Nature's Truth HCL (ALCAR) 2X 250g (500g 1.1 lb)

It has been demonstrated that fasting and calorie restriction significantly increased the expression of OCTN2 and carnitine concentrations in the muscular tissues, liver and kidney [36]

The biological process of L-carnitine L-Carnitine may play an important role in the transportation of long-chain fatty acids into the mitochondria, where they could be converted into energy.* This process is known as fatty acid oxidation, and L-Carnitine acts as a shuttle, carrying the fatty acids into the mitochondria for energy production

On labels, you'll see it listed as L-carnitine, L-carnitine L-tartrate, or Propionyl-L-carnitine