Nutraxin B-One Formula is a mixture product containing Type I Collagen, Calcium, Vitamin D, Magnesium, Zinc, Copper. "Calcium is necessary for the protection of normal bones." "Vitamin D contributes to the protection of normal bones." "Magnesium contributes to the protection of normal bones." "Zinc contributes to the protection of normal bones." Information: It does not contain potential allergens such as sugar, salt, starch, yeast, soy, corn, gluten and dairy products. No synthetic preservatives, sweeteners and colorings have been used.