Vitamin D deficiency affects a large part of the global population, linked to bone health, immune function, and chronic diseases. This video explores why so many people lack sufficient vitamin D, who is most at risk, and how sunlight and diet contribute to vitamin D levels.
We also dive into the pros and cons of vitamin D supplementation—when it helps and when overuse can cause serious health problems like toxicity and hypercalcemia. Learn about the optimal levels of vitamin D, how to safely get enough from sun exposure and food sources like oily fish and fortified products, and why supplements should be taken cautiously.
Keywords: vitamin D deficiency, vitamin D supplements, vitamin D toxicity, sun exposure, bone health, immune system, respiratory diseases, hypervitaminosis D, vitamin D levels, health risks, nutritional supplements.
