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 ...
Ah, vitamin A. Cancer fighter, bacteria killer and wrinkle inhibitor. This all important nutrient is well known for its undeniable ability to defend against viruses and enhance immunity. Thus, it should come as no surprise that vitamin A can also help relieve aqueous-deficient and evaporative dry eye symptoms.Getting enough vitamin A (aka retinol) in your diet is essential for good vision health. In fact, vitamin A deficiency can cause cell mutations to the cornea.Often, this disrupts the tear film and leads to dry, irritated eyes.h, vitamin A. Cancer fighter, bacteria killer and wrinkle inhibitor. This all important nutrient is well known for its undeniable ability to defend against viruses and enhance immunity. Thus, it should come as no surprise that vitamin A can also help relieve aqueous-deficient and evaporative dry eye symptoms.