A combination of malic acid with magnesium and vitamin B2 (riboflavin). All three of these nutrients are important for energy generation. Magnesium malate is a highly absorbable form of magnesium, involved in the Krebs cycle and the activation of nearly 80% of all the enzyme systems that are important for protein and carbohydrate metabolism. For additional benefit, may be used with Item #54760 L-Citrulline. The combination of L-citrulline and malate has been shown to enhance cognitive function and energy. Suggested Use: As a dietary supplement, 1 or 2 tablets two or three times daily with meals, or as directed by a healthcare practitioner. Serving Size 2 tablets Servings per container 60 Amount per serving: Riboflavin 10 mg Magnesium (60% as Magnesium Citrate and 40% as Magnesium Hydroxide) 124 mg Malic acid 500 mg Other ingredients: Dicalcium phosphate, cellulose, stearic acid, silicon dioxide, magnesium stearate. These nutrients are of the highest quality and purity obtainable, free of all common allergens (antigens), and do not contain preservatives, diluents, or artificial additives.