Product containing vitamin D3 (cholecalciferol) in 10,000 IU and vitamin K2 (menaquinone) type MK-7, both in a highly concentrated dose. The formula is completed with vitamin C, extra virgin olive oil and bamboo extract. In addition, this formula is unique thanks to vitamin K2 as it contains 5% medium chain triglyceride (MCT) oil. Vitamins D and C act in synergy and contribute to the normal formation of collagen for the normal functioning of bones, blood vessels and cartilage. In addition, vitamin D also contributes to normal muscle function. Instructions for use: Take 1 capsule every 10 days with a glass of water.