Light from RayVio's 293nm ultraviolet (UV) LED is more efficient than sunlight at producing vitamin D3 in skin samples, research shows. Research published in Scientific Reports shows that light from ...
Nancy Rodriguez, PhD, RDN, FACSM, a professor of nutritional sciences at the University of Connecticut, says that back in her day, no one was talking about vitamin D supplements. “In the ‘60s and ‘70s ...
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