In order for bones and teeth to remain stable, calcium is required, which is stored as calcium phosphate. Vitamin D plays an important role in this process. It regulates the calcium and phosphate metabolism, supports the absorption of calcium from the intestine into the blood and promotes its storage in the bones. It is therefore indispensable for the health of bones and teeth. Vitamin D also plays a role in other metabolic processes, including muscle strength.
A lack of vitamin D can lead to the development of bone softening and osteoporosis. Osteoporosis reduces bone density and thus the stability of bone tissue. The bones become more susceptible to fractures, especially the risk of fractures of the hips, spine and wrists increases. With increasing age, the probability of developing osteoporosis increases.