Viridian calcium magnesium zinc powder zinc is an antioxidant mineral essential to many body processes including the maintenance of healthy skin the immune system and reproductive health mix with water or your favourite juice to make an easy to take health supplement ingredients each level teaspoon 3 5 grams approx provides calcium carbonate citrate amino acid chelate 400mg magnesium oxide citrate amino acid chelate 300mg vitamin c ascorbic acid 500mg zinc citrate