After winter, some people complain of fatigue, dry skin, brittle hair and general weakness. Certain vitamin deficiencies may indeed be more common at the end of winter.
Vitamin D
Vitamin D deficiency is one of the most common worldwide. The vitamin is produced in the skin when it is exposed to sunlight, and ultraviolet radiation levels drop significantly in winter, especially in northern regions.
Read also: Curdled pre-workout? The science behind the viral energy drink yogurt hack.
Low vitamin D levels can cause fatigue, muscle weakness and bone pain.
About...