Dietary supplement based on nutrients for the osteoarticular system. Calcium contributes to maintaining normal bones. Vitamin C contributes to the formation of collagen for the normal maintenance of tissues such as bones and cartilage. Directions for use: The optimal dose is 4 capsules per day. For maximum absorption of calcium, vitamin D3, and vitamin K2, it is recommended to divide these capsules between main meals: two with lunch and two with dinner.