They were discovered as "accessory growth factors" when dietary components other than carbs, protein, fats, minerals and water were necessary to maintain optimal growth and health.
What are some examples of how vitamins were used in the past?
1. Egyptians ate liver to cure night blindness (Vitamin A deficiency causes night blindness). 2. Sailors succumbed to scurvy until Lind (1749) recommended fruits and vegies---British sailors called "Limeys".
How are Vitamins named?
They are named alphabetically (roughly) and renamed "vitamins" when most were found to NOT be amines.
Quantative estimates of nutrient intakes used for planning and assessing diets for apparently healthy people.