- Vitamin - Wikipedia
The value of eating certain foods to maintain health was recognized long before vitamins were identified The ancient Egyptians knew that feeding liver to a person may help with night blindness, an illness now known to be caused by a vitamin A deficiency [24] The advance of ocean voyages during the Age of Discovery resulted in prolonged periods without access to fresh fruits and vegetables
- Vitamin | Definition, Types, Facts | Britannica
Vitamin, any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life Vitamins generally cannot be synthesized in amounts sufficient to meet bodily needs and therefore must be obtained from the diet or from some synthetic source
- Vitamins and Minerals - The Nutrition Source
Vitamins are organic substances that are generally classified as either fat soluble or water soluble Fat-soluble vitamins (vitamin A, vitamin D, vitamin E, and vitamin K) dissolve in fat and tend to accumulate in the body
- Vitamins and Minerals From A to Z - WebMD
Find out from WebMD's slideshow which vitamins and minerals your body needs, what they do, and what foods you can eat to get them
- What Are Vitamins, and Why Are They Important? - Verywell Health
Vitamins are essential nutrients that you must obtain through your diet The two types of vitamins, fat-soluble and water-soluble, are needed for many vital bodily processes, including metabolism, DNA synthesis, and reproduction They can also help with energy levels and prevent specific health conditions
- What are vitamins, and how do they work? - Medical News Today
Vitamins are essential to human health Here, learn about each of the 13 vitamins, including good sources and how they help Learn more here
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