CalciumCalcium contributes to the maintenance of bones and teeth under normal conditions and participates in normal muscle function.Vitamin DVitamin D contributes to the normal absorption and utilisation of calcium and phosphorus, to the maintenance of bones and teeth under normal conditions and to the normal function of the immune system and muscles.Vitamin KVitamin K contributes to the maintenance of bones under normal conditions.Other components of the formulaThe formulation is completed with marine collagen hydrolysate, silicon of plant origin and inulin, ingredients commonly used in food supplements that form part of a balanced nutritional combination.