Vitamin D deficiency results in reduced calcium absorption from the gut and calcium reabsorption in the kidneys, leading to hypocalcemia and calcium deficiency.
It also promotes the intestinal absorption of phosphorus and calcium in the small intestine, and modulates the blood calcium level to a constant level, thereby functioning normally in nerve transmission and muscle contraction.
The main physiological role of vitamin D is to promote the growth of teeth and skeleton.
Therefore, symptoms like loss of appetite, vomiting renal dysfunction, and increased excitability of nerves seem.
There In mammals, including humans, vitamin D3 and vitamin D2 have physiological potencies.
This causes the softening of the bones, which may result in osteomalacia in adults, particularly pregnant and lactating women.
In children, bone growth disorders occur, resulting in rickets, flexed leg bones, and poor posture.
Elderly people with reduced bone mass are more likely to develop osteoporosis and have a higher risk of bedridden from fractures.