Venatura vitamin d3 k2 (menaquinone 7) drops 20 ml contains 25 mcg vitamin d3 and 20 mcg vitamin k in 1 drop. Vitamin D3 contributes to the normal absorption/utilization of calcium and phosphorus, normal blood calcium level, maintenance of normal bones, muscle function and teeth, normal function of the immune system. Vitamin K contributes to normal blood clotting and maintenance of normal bones. - 25 mcg vitamin D3 in 1 drop - 20 mcg vitamin K - fast absorption with liquid form - easy to use in glass bottle