The global market for vitamin and mineral supplements is valued at $32.7 billion. In the US and the UK, a large part of the population consumes such products to improve health. However, experts have not reached a consensus on their necessity.
Vitamins and minerals are not produced in the body but are important for health. They can mainly be obtained from fruits and vegetables, nuts, dairy products, and fish. However, due to fast food and processed products, many people do not consume the recommended amount of healthy foods.
Excessive vitamin intake is also dangerous. For example, too much vitamin D can cause loss of consciousness, seizures, or even death. Among smokers, beta-carotene supplements may increase the risk of lung cancer.
Many experts recommend taking vitamin D in winter when there is little sunlight. Folic acid is beneficial for pregnant women, and omega-3 supplements are useful for those who consume little fish.
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