A considerable number of older adults have lower-than-recommended intake
Improvements seen in cognition, cholesterol, blood sugar, and C-reactive protein
Meta-analysis of three COSMOS substudies shows evidence of benefits on global cognition, episodic memory
1,200-IU dose of vitamin D3 supplementation tied to decreased risk for psychiatric symptoms at ages 6 to 8 years versus 400-IU dosing
There is a high prevalence of vitamin D deficiency in pregnancy, particularly among Black women
Any vitamin D supplement exposure was associated with 40 percent lower dementia incidence
Among U.S. Veterans, risk was lower for supplemented Black veterans and those with 0 to 19 ng/mL vitamin D serum levels
No benefit seen for cocoa extract supplementation versus placebo
Authors say more research is needed to determine the benefits of supplementation with standard treatment