Vitamin D

Vitamin D supports bone health and immune function.

Basics

Item	Detail
Common intake range	~600–800 IU per day from diet or supplements if needed
Food sources	Fortified milk or yogurt, fatty fish, egg yolks
Other source	Sunlight exposure varies by season, latitude, and skin coverage

Calcium supports bones, muscle contraction, and nerve signaling.

Micronutrients are vitamins and minerals needed in small amounts for normal function.