Ecological Formulas Buffered Vitamin C Crystals 250 GMS

What the brand says

Buffered Vitamin C Crystals 250 gmsVitamin C Source: Tapioca Ingredients: Ascorbic Acid 2, 500 mg, Calcium 425 mg, Magnesium 275 mg, Potassium 99 mg, Calcium Pantothenate 10 mg. Suggested Use: Mix 1 teaspoon or more into water or your favorite cold drink.