tbody> Active ingredients In 3 strong tablets> % GDA * Vitamin D3 (Cholkalciferol) 25 mcg 500% * Calcium (from Aquamin® TG minerals derived from marine algae and Calcium Citrate) 400 mg 50% * tr > Magnesium (from magnesium oxide Vitamin C is also essential for the production of collagen (a structural protein in connective tissue) dark place Store in a cool"> < tbody> Active ingredients In 3 strong tablets> % GDA * Vitamin D3 (Cholkalciferol) 25 mcg 500% * Calcium (from Aquamin® TG minerals derived from marine algae and Calcium Citrate) 400 mg 50% * tr > Magnesium (from magnesium oxide Vitamin C is also essential for the production of collagen (a structural protein in connective tissue) dark place Store in a cool">