Natural Factors Alpha-lipoic acid is a superior antioxidant that helps protect the entire cell from oxidative stress. It helps maintain healthy blood sugar levels and recycles other antioxidants for ongoing use by the body. Supplementing with easily absorbed alpha-lipoic helps ensure the maintenance of good health. Medicinal Ingredients Non-Medicinal Ingredients Microcrystalline cellulose, gelatin capsule (gelatin, purified water), vegetable grade magnesium stearate (lubricant), silica. Helps maintain healthy glucose levels. Antioxidant protection for the maintenance of good health.