Nordic Naturals Vitamin D3+K2 Gummies provides 1000 IU of vitamin D3 (cholecalciferol) plus 45 mcg vitamin K2 (as menaquinone-7) offering superior support for bone health and maintenance.* Vitamins D3 and K2 work in tandem to support osteoblasts (bone-forming cells) facilitate calcium and phosphorus balance in the blood and promote healthy muscle function.*