what are the functions of vitamins?
Vitamins help replenish nutrients to the body that it should be getting from food but isn't.
Vitamins are very important for the essential activities of our body organs. They are necessary for getting immunity power, good appetite, good sleep, memory power and digestion.
by youngvirgil6 years ago
what vitamins are best to take for the immune system
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What is the single most important nutritional supplement?
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