Vitamin D3 (cholecalciferol) is the most bioavailable and most digestible form of vitamin D by the body. However, reduced sunlight during the winter and the necessary use of sunscreens prevent its absorption by the body. For this reason, Solgar provides it to you in the form of a dietary supplement in chewable tablets, from natural sources and without added colors, flavors and preservatives. Solgars Vitamin D3 chewable tabs are of maximum potency and bioavailability and are considered essential for bone health, the nervous system and, according to the latest studies, for protecting the human body from autoimmune diseases and heart disease. Sufficient vitamin D3 in the body ensures not only the absorption of calcium, not only good mood and vitality, but also protection against the challenges of Winter since it strengthens our immune system, helping white blood cells to extract the necessary information from our DNA in order to face daily threats. The active form of vitamin D3 used by the body is involved in the activation of various important biological processes such as the mobilization of calcium and phosphorus from bone tissue, the absorption of calcium and phosphorus from food, the function of the thyroid and parathyroid glands, the function of the nervous system and the function of the immune system. It is also considered very useful in combating the symptoms of osteoporosis. Solgars Vitamin D3 chewable tabs are taken as a dietary supplement for adults and children over four (4) years of age, 1 chewable tablet daily, preferably with meals. Each (1) chewable tablet contains: Vitamin D3 25μg (1000IU, as cholecalciferol) It comes in a pack of 100 chewable tablets. Solgars Vitamin D3 chewable tabs: • Contributes to the absorption of calcium and phosphorus from bones • Boosts calcium levels in the blood • Contributes to the smooth functioning of the immune system • Promotes the health of bones, muscles and teeth and contributes to their development and maintenance • Contributes to the proper functioning of the thyroid gland and the nervous system