Metric system. Metric system, international decimal system of weights and measures, based on the metre for length and the kilogram for mass, that was adopted in France in 1795 and is now used officially in almost all countries.
However, if taken in large doses, vitamin D side effects may include: Thirst; Metallic taste in the mouth; Increased urination; Decreased appetite; Weight loss; Constipation; Vomiting; Diarrhea; Itchy skin; Loss of muscle tone; Irritability; Tiredness; Sore eyes; Pain in the bones and joints ...
Overview. Vitamin D, a fat-soluble vitamin, helps the body absorb and metabolize calcium and phosphorus. It is also involved in neuromuscular function. Sunlight synthesizes vitamin D in the skin and is obtained through diet. Evidence indicates that a low vitamin D level in men poses adverse effects on overall health.itamin D, a fat-soluble vitamin, helps the body absorb and metabolize calcium and phosphorus. It is also involved in neuromuscular function. Sunlight synthesizes vitamin D in the skin and is obtained through diet.