OstroVit Vitamin D3 + K2 is a food supplement in the form of tablets containing a composition of vitamins of natural origin. Vitamin K2 MK-7 is the highest form of vitamin K2 absorbed by the human body. It is obtained from a traditional Japanese fermented soybean product, as a result of the fermentation of Bacillus subtilis natto bacteria. Vitamin K contributes to proper blood clotting and helps maintain healthy bones. Vitamin D contained in the preparation OstroVit Vitamin D3 + K2: helps the proper absorption/utilization of calcium and phosphorus, supports the health of bones and teeth, helps the proper functioning of the muscles, contributes to the proper functioning of the immune system.