ICONFIT Vitamin D3 contains a high dose of vitamin D (4000 IU). It is one of the most important vitamins – it affects the proper functioning of most our organs. Vitamin D is especially important to consume during the fall-winter period and for older people year-round. Vitamin D3 is necessary for keeping the bones, teeth and muscles normal. It also contributes to the normal functioning of the immune system. Produced using only the highest quality Oil Capsules. Supports the immune system and promotes the absorption of calcium and phosphorus. Helps muscles work properly and helps maintain bone and dental health. When should you definitely take vitamin D supplementation? In case of not getting much sunlight. In case of poor diet. As you age, the levels of vitamin D in your body begin to decrease. To improve athletic performance. DAILY SERVING: 1 Capsule %NRV* Sunflower (Helianthus annuus) oil 156 mg Grapeseed (Vitis vinifera) oil 140 mg Vitamin D3 (colecalciferol) 100 μg 2000%