1. Supports Bone Health
Although calcium is often considered the main nutrient tied to strong bones, magnesium also plays a major role in maintaining bone structure and density.
Around 60 percent of the body’s magnesium is stored in bones, where it helps regulate calcium balance and supports vitamin D activation. These functions are important because vitamin D helps the body absorb calcium more effectively.
Research has also linked low magnesium intake to lower bone mineral density and a greater risk of fractures, particularly as women age and bone loss becomes more common after menopause.
A young woman
2. Supports Heart Health
Magnesium helps regulate the electrical signals responsible for maintaining a steady heartbeat. Adequate levels may support normal heart rhythm and healthy muscle contraction, including the heart muscle itself.
The mineral also helps blood vessels relax, which can support healthy circulation and blood pressure levels. Some studies have associated magnesium intake with modest improvements in blood pressure and blood vessel function.
These benefits may be especially relevant for women experiencing chronic stress, low physical activity, or diets lacking whole foods.
A middle-aged woman
3. Supports Blood Sugar and Metabolic Health
Magnesium also plays a role in blood sugar regulation and metabolic function. Researchers say it may help improve insulin sensitivity and support stable blood sugar levels.
This can be particularly important for women with insulin resistance, metabolic syndrome, or polycystic ovary syndrome, commonly known as PCOS.
