Tag: immune function

Vitamin D2 Supplements May Lower Body’s More Effective D3 Levels, Study Warns

New research reveals vitamin D2 supplements may reduce the body's levels of vitamin D3, the more effective form for immune…

95% of US Adults Below Vitamin D Requirements Despite Supplementation, NHANES Data Shows

NHANES analysis of 26,282 US adults reveals 95% consume insufficient vitamin D from diet alone. Even with supplementation, majority remain…