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 ...
Vitamins For Healty Eyes. Lutein and Zeaxanthin. Lutein and Zeaxathin are new popular eye vitamins obtained from vegetables. They are the antioxidants concentrated mainly in areas like lens, macula and retina. Having efficient amount of these vitamins in your diet will certainly keep your eyes healthy.