Vitamin A was first discovered back in 1912, by a Polish biochemist named Casimir Funk.  He came up with the word vitamine, which was later given the name vitamin.  Funk was the first to discover vitamins as we know them today, although vitamin a was actually the first one discovered, hence the letter “A” in the title of the vitamin. You can find vitamin a in natural foods such as oranges and yellow fruits.  It can also be found in vegetables as well, such as spinach and fats.  When found Read more [...] Tags: adults, antioxidant, beta-carotene, body, cancer, carotene, carotenoids, cells, compounds, cup, deficiency, diet, doctor, dose, doses, dv, food, food sources, foods, free radicals, health, infection, intake, iu, levels, liver, mcg, medications, night blindness, preformed, provitamin a, rda, retinal, retinoic acid, retinoids, retinol, retinol equivalents, risk, side effects, skin, supplement, supplementation, supplements, treatment, vitamin, vitamin a, vitamin a deficiency, vitamin c, vitamin d, vitamins