Get high-powered antioxidant protection and effective metabolic support with super-potent Swanson Ultra 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.