Featuring BioEnhanced Na-RALA GMP - Good Manufacturing Practice Product Recycle The Anti-Oxidant Vitamins C & E Dietary Supplement Best Naturals Stabilized R-Lipoic Acid contains Bio-Enhanced Na-RALA, the sodium salt of R-lipoic acid. It is heat and shelf stable and exhibit higher bioavailability. Lipoic acid (LA) plays an important role is glucose metabolism and energy production. Because it is soluble in both water and fat, LA is known as the universal antioxidant. LA occurs in two forms, designated as R and S. Studies suggest that RLA, the natural form, is more biologically active than the S form. Supports healthy blood sugar level. Supports energy production. Supports Glutathione synthesis.