Switch Nutrition Vitamin D3 + K2 Capsules combine two fat-soluble vitamins in one convenient daily capsule. It can have a variety of potential effects on the body, such as it may help enhance/promote bon health, assist healthy bone development, and support bone flexibility. These capsules may also maintain/support heart health, enhance/promote artery health, and maintain/support health immune system function. This product is listed on the Australian Register of Therapeutic Goods. Always read the label and follow the directions for use.