Source Naturals Amino Day is a balanced combination of crystalline free-form amino acids that provides an efficient way to obtain quality nutrition during dieting. Plus, crystalline amino acids are fat free and very low in calories. The suggested use is to take 2 to 3 tablets 45 minutes before meals. Keep tightly closed after each use. Moisture absorption by some amino acids may cause tablet disintegration. Please contact our in-house customer support if you have any questions.