Know : List of Vitamins, Discovered Year and food sources

Year of discovery Vitamin Food source 1910 Vitamin B1 (Thiamine) Rice bran 1913 Vitamin A (Retinol) Cod liver oil 1920 Vitamin C (Ascorbic acid) Citrus, most fresh foods 1920 Vitamin D (Calciferol) Cod liver oil 1920 Vitamin B2 (Riboflavin) Meat, dairy products, eggs 1922 (Vitamin E) (Tocopherol) Wheat germ oil, unrefined vegetable oils 1926 Vitamin B12 (Cobalamins) Liver, eggs, animal products 1929...