Mega C Powder with C.M.P. (Corn-Free Ascorbic Acid, Hypoallergenic)

What the brand says

Mega C Powder with C.M.P. 8oz. Vitamin C Powder (Hypoallergenic) One teaspoon (4.7 grams) Provides: Vitamin C (Ascorbic Acid, corn-free) 2270mg; Calcium (Carbonate) 500mg; Magnesium (Carbonate) 200mg; Potassium (Bicarbonate) 50mg Ingredients: Ascorbic acid (CORN-FREE), calcium carbonate, magnesium carbonate, potassium bicarbonate, silicon dioxide. Contains NO yeast, wheat, corn, soya, dairy/animal products, sugar, preservatives, salicylates, artificial color or flavoring agents.