To survive fully on vitamins and meal replacement, you should need to choose those that provide all essential nutrients. An "essential nutrient" is a compound that your body can't produce on its own but that it needs healthy everyday functions. There are classes of essential nutrients: water, vitamins, calories, essential amino acids, essential fatty acids. There are also certain nutrients that are healthy but that isn't essential, such as dietary fiber, which most supplement does not include.
So we can say that, Definitely Not. Vitamins are micronutrients. Our body needs them in small quantities to ensure optimum health, but they don't comprise the bulk of the food we need to survive. For that, you need the correct mixture of carbohydrates, fats, and protein. A multivitamin table does normally contains a small amount of starch and some protein in the form of brewer's yeast. But to get enough calories to survive, you would need to eat a couple of thousand tablets per day. If you tried doing that, the huge dose of the vitamin would cause liver failure, long before you noticed malntrition from the missing fatty acids. If you stuck to the recommended dose of one or two tablets per day, you would simply starve to death in about six weeks.
People who may benefit from vitamin and mineral supplements include
- pregnant women
- women who are breastfeeding
- People who drink alcohol above the amount that is recommended for reducing the risk of disease
- cigarette smokers
- illegal drug users
- crash dieter or people on chronic low-calories diets
- the elderly (especially those who are disabled or chronically ill)
- some vegetarians or vegans women with excessive bleeding during menstruation
- people with allergies to particular foods
- people with malabsorption problems such as diarrhea, colic disease or pancreatitis.
some difficulties that happen when excess vitamins we take
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
When taken as directed, multivitamins are not expected to cause serious side effects. Common side effects may include:
- upset stomach
- headache
- unusual or unpleasant taste in your mouth
hence we say that at present we can not survive without food.
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