Get high-powered antioxidant protection and effective metabolic support with super-potent Swanson Alpha Lipoic Acid 300 mg. This alpha lipoic acid supplement offers powerful free-radical fighting support, promotes healthy glucose metabolism and enhances the activity of other antioxidants like vitamin C and vitamin E. Alpha lipoic acid can be commonly found in yeast, liver, spinach, potatoes and broccoli. A 300 mg alpha lipoic acid dosage can be especially helpful for promoting healthy metabolic function for people on restricted diets.