Dairy foods such as milk and yogurt are probably one of our main dietary sources of magnesium from a young age - one cup of milk contains around 25mg of magnesium and a serving size of plain low-fat yogurt boasts 42 mg.
Low-fat dairy products
Milk (nonfat): 1 cup = 24 to 27 mg of magnesium.
Magnesium and Healthful Diets
Whole grains and dark-green, leafy vegetables are good sources of magnesium. Low-fat milk and yogurt contain magnesium as well.
Unfortunately, coffee is one of the most common things that deplete magnesium stores and absorption in the body, due to the caffeine contained within coffee. Furthermore, there is also evidence that sugar can deplete magnesium, as can calcium. Of course, both of these are present in a cup of coffee with sugar!
In general rich sources of magnesium are greens, nuts, seeds, dry beans, whole grains, wheat germ, wheat and oat bran. The recommended dietary allowance for magnesium for adult men is 400-420 mg per day. The dietary allowance for adult women is 310-320 mg per day.
Vitamins and minerals
Let's start with magnesium. A cup of coffee contains about 7 mg, which is a drop in the daily-requirement bucket (420 mg for men, 320 mg for women). But because we don't eat enough fruit, vegetables, and whole grains, the average American's intake falls about 100 mg short of the daily goal.
Nonfat or low-fat Greek yogurt is a great source of magnesium: Expect roughly 18.7 mg in just one 6-oz container, according to the USDA. Greek yogurt is also high in protein (17.5 g).
Meat and poultry don't have a lot of magnesium, but you can find it in soy, cheese, and yogurt.
Broccoli
There's no questioning the health benefits of broccoli, but we're expanding the list by mentioning that it's an excellent magnesium food. Keep your heart healthy with one small stalk of broccoli, which packs not only 5 g of filling fiber but also a significant amount of magnesium: 29.4 mg for just 50 calories.
Magnesium diglycinate (or bisglycinate), has been found to be easily absorbed and transported to the bloodstream. It's shown to be consistently better absorbed than other forms of magnesium, including magnesium oxide and magnesium citrate, making it an ideal magnesium supplement for everyday magnesium replenishment.
He recommends magnesium glycinate, which is bound to the amino acid glycine and is available in capsule or tablet form. Research has found that magnesium glycinate is one of the most absorbable forms, along with citrate, chloride, lactate, and aspartate5 .
Bananas (32 mg per medium fruit)
One medium banana has 8 percent of your DV of magnesium too. They're also a super-cheap, convenient, portable snack and they pair well with lots of other magnesium-rich foods, like fortified cereals and breads and nut butter.
Oats: Oats are a rich source of magnesium, especially in their whole form (like steel-cut or rolled oats). Additionally, they include fiber, protein, and several other crucial nutrients. Barley: Magnesium is abundant in whole grain barley, especially hulled or hull-less barley.
Every organ in the body, especially the heart, muscles, and kidneys, needs the mineral magnesium. It also contributes to the makeup of teeth and bones. Magnesium is needed for many functions in the body. This includes the physical and chemical processes in the body that convert or use energy (metabolism).
Unfortunately, the short answer is that coffee does deplete our magnesium. There are several studies that show the reasons why. Number one is that it causes an increased urinary output of Magnesium. So, when you're drinking coffee, your body pees out more magnesium.
A blood test will be ordered to check your magnesium level. Normal range is 1.3 to 2.1 mEq/L (0.65 to 1.05 mmol/L). Other blood and urine tests that may be done include: Calcium blood test.