Dietary magnesium intake refers to the amount of magnesium that an individual consumes through their diet. Magnesium is a mineral that plays important roles in various bodily functions, including muscle and nerve function, blood pressure regulation, and bone health. Adequate magnesium intake is essential for maintaining good health, but many people do not get enough of this nutrient through their diet alone. Therefore, it's important to be aware of food sources that are rich in magnesium, such as leafy greens, nuts, seeds, and whole grains, and incorporate them into one's daily meals to ensure an adequate intake of this essential mineral.