Quick Takes

Quick Takes

Global map showing vitamin D deficiency rates by region

A Study of 7.9 Million People Reveals a Global Vitamin D Deficiency Crisis

Vitamin D drops with child inhaler

High-Dose Vitamin D Boluses in Preschoolers with Asthma: Safe but Not Sufficient

Vitamin D and Immune System Illustration

How Vitamin D Shapes Your Immune System: From Infections to Autoimmunity

Obesity suppresses CYP2R1, a key enzyme in vitamin D activation

Obesity Suppresses a Key Vitamin D Enzyme: Insights from Human and Mouse Studies

High-dose vitamin D supplements and immune defense against flu

The Vitamin D Hammer: A High-Dose Strategy for Beating the Flu Fast

Maasai tribesman standing in sunlit savannah symbolizing natural vitamin D synthesis

What Can East African Tribes Teach Us About Optimal Vitamin D Levels?

Vitamin D supplements reduce falls in elderly nursing home residents

800 IU of Vitamin D Slashes Fall Risk in Elderly Nursing Home Residents

Calcium and vitamin D supplements and bone health in older women

Calcium and Vitamin D: Do They Really Help Prevent Fractures?

Vitamin D and calcium supplements with diabetes glucose monitor

Can Vitamin D and Calcium Help Prevent Type 2 Diabetes?

Vitamin D capsules

How Much Vitamin D Is Too Much? Rethinking the Upper Limit

Vitamin D supports energy production in aging muscles

Vitamin D Boosts Muscle Energy and May Fight Age-Related Muscle Loss

Vitamin D deficiency causes and consequences

Vitamin D Deficiency: More Than Just Rickets

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