Vitamin D is often called the “sunshine vitamin,” but its importance goes far beyond time spent outdoors. This fat-soluble nutrient plays a central role in bone strength, immune regulation, and even mood balance.
When levels drop too low, subtle changes may begin to appear – particularly in how you feel emotionally and how your bones and muscles function.
Vitamin D is technically a hormone precursor that the body produces when skin is exposed to sunlight. It can also be obtained from certain foods and supplements.
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