why do we need vitamins in our food?
Answers
Vitamins and minerals are considered essential nutrients—because acting in concert, they perform hundreds of roles in the body. They help shore up bones, heal wounds, and bolster your immune system. They also convert food into energy, and repair cellular damage.
Explanation:
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Answer:
Without them, our bodies wouldn’t be able to perform vital tasks such as converting food into energy, building and maintaining bones, teeth, muscle, skin, blood and hair, and keeping our brain, eyes, nervous and immune systems in good working order. Some vitamins work together with other nutrients: vitamin C helps us to absorb iron from plant foods, while vitamin D helps us absorb calcium.5 And the vitamins A, C and E all have an antioxidant effect, which means they help protect our cells from damage by free-radicals.
Vitamins are compounds that our bodies need to work properly. Because we can’t make most of them, we have to get them from our diets. There are 13 vitamins altogether and they are classed as micronutrients because we only need them in small quantities, usually milligrams (mg) or micrograms (mcg or μg), every day. One exception is vitamin D, which we make through the action of sunlight on our skin. We can also make vitamin B3, known as niacin, from an amino acid called tryptophan – though we still need to get that from food such as nuts, seeds, tofu, cheese, meat, fish, oats, beans, lentils and eggs.
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