Your vitamin D tests and supplements are probably a waste of money

As the interest in and testing for vitamin D has exploded, researchers have been wondering why so many people bother. Most of us actually get enough vitamin D without even trying. No high-quality study has found a benefit to screening asymptomatic adults, and putting people on treatment with supplements has also failed to demonstrably improve health outcomes.

That means when people seek out vitamin D tests and pop the supplement to alleviate the winter blues or prevent cancer, there’s no evidence suggesting it’ll help them.


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