Vitamin D 2,500 IU . It is an essential fat-soluble vitamin and is often referred to as the “sunshine vitamin”. Vitamin D is one of the 24 essential vitamins and is fat soluble, it belongs to the fat soluble vitamins. The human body produces Vitamin D naturally by exposing the skin to UV sunlight, or it can also be ingested through the diet. Vitamin D contributes to proper absorption and use of calcium and phosphorus, in addition to promoting the proper functioning of the immune system and muscle function. It is also necessary for the maintenance of bones and teeth. GreenDay® Vitamin D 2,500 IU is a food supplement based on Vitamin D3 in liquid soft capsule format with great absorption power. . Contributes to the normal absorption / utilization of calcium and phosphorus Contributes to the maintenance of bones Contributes to the maintenance of normal muscle function Contributes to the maintenance of teeth Contributes to the normal function of the immune system Easy to take How to use: 1 capsule. How to use: Take 1 capsule with 200 ml of water with one of the main meals. Ingredients : Soybean oil, gelatin capsule (made from pure gelatin, thickener: glycerin, pure water); cholecalciferol (vitamin D).