The main benefit of D-Aspartic is that it favors the increase in muscle mass, delays fatigue and optimizes recovery. D-Aspartic is a supplement based on aspartic acid in tablets. This amino acid supplement helps to raise testosterone levels naturally. D-Aspartic is especially recommended for those athletes who need to increase testosterone production naturally. Format: Bottle of 120 tablets. HOW TO USE: Take 4 tablets a day, 2 upon waking up and 2 before bed. Ingredients: D-Aspartic Acid, Dicalcium Phosphate (Bulking Agent), Microcrystalline Cellulose (Bulking Agent), L-Arginine HCl, Silicon Dioxide (Anti-caking Agent), Magnesium Stearate (Anti-caking Agent), Nicotinamide, Calcium Pantothenate, Pyridoxine Hydrochloride, Riboflavin, Thiamine Hydrochloride, P-Teroylmonoglutamic Acid, D-Biotin and Cyanocobalamin. Nutritional information: Amino acids For 4 Tablets D-Aspartic Acid 3000mg L-Arginine HCl 400mg Vitamins For 4 Tablets vitamin B3 7.48mg Vitamin B5 5mg Vitamin B6 1mg vitamin B2 0.84mg Vitamin B1 0.74mg Folic acid 200µg D-Biotin 140µg B12 vitamin 3.2µg