Lipoic Acid Linus Pauling Institute Oregon State University NOW Foods Glutathione 500 mg Veg Capsules Bigvits UK Glutathione 500 mg Plus 21st Century Vitamins 21st Century Vitamins Difference Between Alpha Lipoic Acid and R Lipoic Acid Difference Between Commonly called the antioxidant of antioxidants, Alpha Lipoic Acid (ALA), specifically its biologically active form R Lipoic Acid (RLA), is a unique self made antioxidant that falls in a class next Pure Glutathione Capsules Supplement with Milk Thistle, ALA, Amino Acid for Liver, Skin, Immunity, Brain Health Walmart.com