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Tanning as a Source of Vitamin D

Two different research groups conclude the US RDA is off by an order of magnitude GrassrootsHealth scientists and staff have published a research letter, citing the D*action data, calling for the Institute of Medicine...

Time for sensible sun exposure!

The sun is essential to optimal health and well-being. Sensible sun exposure could greatly improve health by improving vitamin D status for disease reduction, initiating the release of nitric oxide for heart health, stimulating...

Vitamin D Levels of Indoor Tanners

Sunlight and supplements are well known sources of vitamin D, but other sources of UV light, such as indoor tanning, can also effectively raise vitamin D levels. In addition to sun exposure habits, we...