No evidence of vitamin D health benefits

There is no convincing evidence that vitamin D helps with many of the diseases previously thought to benefit from vitamin D supplements.

Many small studies have found tentative links between vitamin D levels and a long list of diseases such as heart problems, cancers and infections. Evropi Theodoratou and colleagues reviewed these and larger studies and found little evidence to support the conclusion vitamin D helps people with these diseases.

The researchers suggest previous studies that have found links between low vitamin D and a disease might be a result of the disease itself, rather than vitamin D causing the disease.

Read more at University of Edinburgh