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Learn how vitamin D supplements may affect your blood pressure, who may benefit most, and how much to take safely—especially ...

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Vitamin D is essential for the body and brain to function properly. However, about 42% of Americans experience vitamin D deficiency. Some habits can help increase vitamin D levels and improve health.

Vitamin D is a fat-soluble vitamin critical for bone growth and cell development. Rainbow trout, salmon, sardines, tuna, ...