Food supplement Vit. D3 + K2 MK7 from Trec Nutrition contains a large amount of vitamin D in the form of cholecalciferol and vitamin K in the form of menaquinone-7, enclosed in a gelatin capsule. Vitamin D combined with vitamin K helps maintain healthy bones. At the same time, vitamin K contributes to proper blood clotting. Vitamin D, on the other hand, helps muscles function properly, supports dental health, and helps the immune system function properly.