Bone-Up provides StimuCal ossein MicroCrystalline HydroxyApatite (MCHA) (from free-range New Zealand calves), which includes the superior combination of the inorganic calcium lattice of MCHA within an organic protein milieu. StimuCal is rich in native type I collagen the predominant protein found in bone and has been clinically demonstrated not to disproportionately spIngredients:Untitled 2 Supplement Facts Serving Size: 3 Capsules Amount Per Serving %Daily Value Vitamin C (as Ascorbic Acid) 100 mg 110% Vitamin D3 (Cholecalciferol) 25 mcg (1,000 IU) 130% Vitamin K2 (as Natural MK-7 [Menaquinone-7]) 45 mcg 40% Calcium (Elemental) (from StimuuCal Microcrystalline Hydroxyapatite) 1,000 mg 80% Magnesium (as Magnesium Oxide) 350 mg 80% Zinc (L-OptiZinc) (as Zinc L-Methionine Sule) 10 mg 90% Copper (as Copper Gluconate) 1 mg 110% Manganese (as Manganese Citrate) 1 mg 45% Boron (as Boron Citate) 3 mg ? ? Daily Value not established. Other Ingredients: Magnesium stearate (vegetable source) and silicon dioxide. Capsule consist of gelatin.