Most People Don't Need Vitamin D Supplements

The video discusses a comprehensive study on Vitamin D, published in The Lancet, which analyzed 81 randomized controlled trials with over 53,000 participants. The study found that Vitamin D supplementation does not significantly prevent fractures, falls, or improve bone mineral density. Despite its popularity, especially among the elderly in the U.S., the study suggests little justification for using Vitamin D supplements for musculoskeletal health. The video also highlights the financial interests behind Vitamin D testing and supplementation.

What implications does the study have for clinical guidelines regarding vitamin D supplementation?

According to the text, why do some people take vitamin D supplements despite the findings of the study?