Best Naturals Calcium Magnesium Zinc with Vitamin D3, 300 Tablets - Calcium 1000 mg, Magnesium 400 mg, Zinc 25 mg & D3 600 IU per Serving (3 Tablets) Calcium is the primary mineral responsible for bone strength, magnesium is essential for proper bone mineralization, and zinc is involved in the synthesis of collagen in bone tissue Vitamin D is one of the 13 essential vitamins needed for health and well-being. It helps the body absorb calcium and other nutrients 3rd Party Lab Tested - Our All Best Naturals Products come with 3rd Party Independent Lab Tested PREMIUM FORMULA - Our Cal Mag Zinc with D3 Tablets are the made with high quality Calcium, Magnesium, Zinc & Vitamin D3 All Best Naturals products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world - Proudly Made in the USA Ingredients Calcium (as calcium carbonate & calcium citrate), Magnesium (as magnesium oxide & magnesium citrate), Zinc (as zinc oxide & zinc gluconate), Vitamin D3 (as cholecalciferol), Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Magnesium Stearate (Veg. Grade), Silicone Dioxide, Pharmaceutical Glaze. Product Features Calcium is the primary mineral responsible for bone strength, magnesium is essential for proper bone mineralization, and zinc is involved in the synthesis of collagen in bone tissue Vitamin D is one of the 13 essential vitamins needed for health and well-being. It helps the body absorb calcium and other nutrients 3rd Party Lab Tested - Our All Best Naturals Products come with 3rd Party Independent Lab Tested PREMIUM FORMULA - Our Cal Mag Zinc with D3 Tablets are the made with high quality Calcium, Magnesium, Zinc & Vitamin D3 All Best Naturals products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world - Proudly Made in the USA