Vitamin D is so important researchers worry about ethics of limiting supplementation to perform research trials

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(Natural News) In case you needed any more proof of how essential vitamin D is to good health, researchers have warned that placebo-controlled trials that involve limiting some people‚Äôs intake of the all-star nutrient could be considered unethical. This presents a serious quandary for researchers. Demonstrating the efficacy of vitamin D in studies is essential…

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