he health of bones and teeth is strictly dependent on the maintenance of adequate levels of calcium and phosphorus. It is therefore important to assume a sufficient quantity of Vitamin D because it contributes to the correct absorption of these minerals, which are also important for neuromuscular function. Vitamin D is also essential to support the activity of the immune system. Icelandic Lichen is a precious source of Vitamin D3, which is normally produced inside our body thanks above all to the action of solar rays