Xand van Tulleken finds little evidence for routine vitamin D supplements
Author Xand van Tulleken examines vitamin D myths in his new book Make Me Well.
Initial expectations about the supplement
The author expected to find little controversy regarding vitamin D because health officials recommend it for autumn and winter. Early studies from the early 2000s linked the vitamin to benefits beyond bone health, including cancer prevention.
Scrutiny reveals limited justification
Van Tulleken immersed himself in decades of trials after speaking with a professor who views the supplement as a false promise. His investigation shows that evidence for routine consumption shrivels under scrutiny for most people.
Recommendation for specific groups
The book concludes there is no justification for taking the vitamin unless an individual is genuinely deficient. This finding applies to all but a tiny proportion of the population who require it.
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