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New evidence says that Vitamin D does not actually have benefits for heart health, cancer prevention or bone health for generally healthy people.
This report was published in the Lancet Diabetes and Endocrinology journal on January 23.
According to USA Today, Americans spend practically $28 billion a year on vitamins and experts are still unable to determine whether they are really helping people or not.
The study reviewed data from 40 studies that were performed previously and focuses on vitamin D. The study concluded that "healthy people are very unlikely to get a benefit from it," says lead researcher Mark Bolland. The study also said that future studies on this subject were likely to be pointless.
Some nutritionists say vitamin D deficiency can be held responsible for some diseases, like fractures, cancer, cardiovascular diseases, diabetes, and higher risk of death. However, others say vitamin D deficiency is more likely to be the result of ill health and not the cause, according to BBC.
People that are at risk for vitamin D deficiency include children under the age of five, pregnant and breast feeding women, people over 65 and those who do not get enough sun exposure. Those with dark skin, or those who wear clothing that cover their body entirely are also at high risk of vitamin D deficiency.