1. Why Magnesium Matters

Most magnesium is stored in bones; only ~1% is in blood, so standard blood tests often miss deficiencies.


2. How Magnesium Works in the Body


3. Signs of Deficiency

Who’s at risk?

Older adults, people with GI conditions, heavy drinkers, those on certain meds (diuretics, PPIs, some antibiotics), and those with diabetes.


4. Magnesium for Sleep