How Does Vitamin D3 Come From Sunlight, Food, and Supplements?
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5 min read
According to the National Institutes of Health, vitamin D deficiency is a global health concern affecting roughly one billion people worldwide. This fat-soluble vitamin, known for its critical role in bone health, is uniquely synthesized by the human body in a process initiated by sun exposure. However, modern lifestyles, limited sunlight, and dietary patterns mean that many rely on food and supplements to maintain adequate levels.
