Nutri Advanced Ultra Potent-C Powder features the same high-quality, patented formula as Ultra Potent-C tablets, but in a convenient powder form that provides 1,088 mg of vitamin C per serving.Directions:Mix a rounded 1/4 teaspoon into four to six ounces of warm water and stir well.Take one time daily or as directed by your healthcare practitioner.Ingredients:Serving Size: 1/2 a teaspoon , providing approx. 122 servings Vitamin C (as Ultra Potent-C); 1,088 mg Niacin (as niacinamide ascorbate); 84 mg Calcium (as calcium ascorbate); 51 mg Magnesium (as magnesium ascorbate); 8 mg Sodium (as sodium ascorbate); 15 mg Potassium (as potassium ascorbate); 7 mg L-Glutathione; 5 mg L-Cysteine; 11 mg L-Lysine (as L-lysine HCl); 40 mg Xylitol; 192 mg Citrus Bioflavonoid Complex; 38 mg [standardized to 45% (17 mg) full spectrum bioflavonoids] Tetrasodium Pyrophosphate; 16 mg Alpha-D-Ribofuranose; 15 mg Other Ingredients: Ultra Potent-C [(U.S. Patent #5,626,883) calcium ascorbate, niacinamide ascorbate, ascorbic acid, sodium ascorbate, magnesium ascorbate, L-lysine HCl, ascorbyl palmitate, potassium ascorbate, citrus bioflavonoid complex,tetrasodium pyrophosphate, alpha D-ribofuranose, L-cysteine monohydrochloride,xylitol, L-glutathione].