More than just bones

How vitamin D is essential for overall health

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MOST OF US are low on vitamin D, and most of us think being in the sun for a few minutes is enough to get us the essential vitamin. How important is this vitamin for health? Dr Rakesh Gupta, senior consultant, internal medicine, Indraprastha Apollo Hospitals, says:"Vitamin D is essential for maintaining healthy bones, muscles, and immune function.

It helps the body absorb calcium and phosphorus, two minerals needed for strong bones and teeth. Without enough vitamin D, even a calcium-rich diet cannot support optimal bone strength. Beyond the skeletal system, vitamin D plays a role in regulating immunity, reducing inflammation, supporting nerve and muscle function, and maintaining hormonal balance. Research also links adequate vitamin D levels with better mood, lower risk of infections, and improved metabolic health. This vitamin acts more like a hormone than a nutrient, influencing multiple organs and systems. Because many people get limited sunlight exposure or have dietary gaps, deficiency is common. Ensuring sufficient vitamin D-through safe sun exposure, food sources, and supplements when required-is important for long-term health and disease prevention."