Antioxidants provide crucial protection from damaging free radicals and oxidation reactions that can weaken and destroy cells throughout our bodies. Alpha Lipoic Acid (ALA) is a powerful and extremely versatile antioxidant. Most compounds are soluble in either oils or water, but ALA is soluble in both and so is able to defend cells in essentially any location in our bodies.NOW Alpha Lipoic Acid 600mg formula is a highly potent, safe and high quality source of ALA. Grape seed extract is also included with a guaranteed 90 percent minimum potency of antioxidant polyphenol. Protect your body every day with NOW Alpha Lipoic Acid.