How do you know if your body is lacking magnesium?
Michael Gray
Updated on April 18, 2026
Magnesium deficiency is diagnosed via a blood test and sometimes a urine test. Your doctor may order the blood test if you have symptoms such as weakness, irritability, abnormal heart rhythm, nausea and/or diarrhoea, or if you have abnormal calcium or potassium levels.
What happens when your magnesium is low?
Over time, low magnesium can weaken your bones, give you bad headaches, make you feel nervous, and even hurt your heart. It can also lead to low levels of other important minerals like calcium and potassium. High levels of magnesium are much less common than low levels.What are the 10 signs of low magnesium?
10 Symptoms of Magnesium Deficiency
- Calcification of the arteries. Unfortunately, this is one of the first symptoms to appear, as well as one of the most serious. ...
- Muscle Spasming & Cramping. ...
- Anxiety & Depression. ...
- Hormone Imbalances. ...
- High Blood Pressure / Hypertension. ...
- Pregnancy Discomfort. ...
- Low Energy. ...
- Bone Health.
What are the signs you need magnesium?
Signs of a magnesium deficiency
- Loss of appetite. This is generally the first sign of hypomagnesemia. ...
- Nausea or vomiting. Another of the nonspecific magnesium deficiency symptoms is nausea or vomiting. ...
- Fatigue. ...
- Weakness. ...
- Muscle spasms and cramps. ...
- High blood pressure. ...
- Irregular heartbeat. ...
- Seizures.
How can I raise my magnesium levels quickly?
How To Raise Magnesium Levels Quickly & Naturally:
- Whole grains. Wheat bran and oats are rich in magnesium. ...
- Nuts. Almonds, cashew nuts, pistachios, peanuts, and walnuts are loaded with magnesium.
- Vegetable seeds. ...
- Potatoes and leafy vegetables. ...
- Fruits. ...
- Rock salt and sea salt. ...
- Ragi. ...
- Coconut.
10 Signs Your Body Needs More Magnesium
What drinks are high in magnesium?
Orange juice, pineapple, banana, prune juice, pineapple juice, grape juice, rhubarb, watermelon, tangerines, cantaloupe, orange, honeydew melon.What causes lack of magnesium?
Health conditions such as diabetes, poor absorption, chronic diarrhea, and celiac disease are associated with magnesium loss. People with alcohol use disorder are also at an increased risk of deficiency ( 2 ).How do you fix low magnesium?
Tips for improving magnesium absorption
- reducing or avoiding calcium-rich foods two hours before or after eating magnesium-rich foods.
- avoiding high-dose zinc supplements.
- treating vitamin D deficiency.
- eating raw vegetables instead of cooking them.
- quitting smoking.
Should I take magnesium everyday?
Doses less than 350 mg daily are safe for most adults. In some people, magnesium might cause stomach upset, nausea, vomiting, diarrhea, and other side effects. When taken in very large amounts (greater than 350 mg daily), magnesium is POSSIBLY UNSAFE.How can I test my magnesium levels at home?
You can test your magnesium levels by purchasing a simple at-home finger prick test kit which is then analysed at an accredited lab. Forth offers a number of blood tests which include magnesium such as our Nutri-check test and Menopause Health blood test.Can low magnesium affect your eyes?
Furthermore, magnesium deficiency is also a contributing factor in increased oxidative stress and inducible NOS stimulation that can further contribute in the initiation and progression of ocular pathologies such as cataract, glaucoma and diabetic retinopathy.What foods give you magnesium?
What foods are high in magnesium?
- Nuts and seeds. Almonds (roasted): 1 ounce = 80 milligrams of magnesium (20% of the recommended dietary allowance). ...
- Legumes. Black beans (boiled): 1/2 cup = 60 milligrams of magnesium (15% RDA). ...
- Fiber-rich whole grains. ...
- Low-fat dairy products. ...
- Greens. ...
- Chocolate. ...
- Water.
Does magnesium cause weight gain?
Reduced magnesium in the body has been linked to insulin resistance that could lead to weight gain. In a study that compared 24 nondiabetic, obese children with 24 nondiabetic, lean children, researchers found the children at higher weights consistently had lower magnesium in their body.Who is most at risk for magnesium deficiency?
An analysis of data from the National Health and Nutrition Examination Survey (NHANES) of 2013-2016 found that 48% of Americans of all ages ingest less magnesium from food and beverages than their respective EARs; adult men aged 71 years and older and adolescent males and females are most likely to have low intakes [22 ...Are Bananas high in magnesium?
Bananas are among the most popular fruits in the world. They're best known for their high potassium content, which can lower blood pressure and is linked to a reduced risk of heart disease ( 40 ). But they're also rich in magnesium — one large banana packs 37 mg, or 9% of the RDI (41).How long does it take to replenish magnesium?
Chronic magnesium deficiency is often associated with normal serum magnesium despite deficiency in cells and in bone; the response to oral supplementation is slow and may take up to 40 weeks to reach a steady state.Does vitamin D deplete magnesium?
Mg is essential in the metabolism of vitamin D, and taking large doses of vitamin D can induce severe depletion of Mg.Is peanut butter high in magnesium?
Peanuts and peanut butterPeanuts are legumes, not true nuts, however, they are also a good source of magnesium. A quarter-cup of roasted peanuts contains 63 micrograms, for 15% of the DV. You can get 49 micrograms in 2 tablespoons of peanut butter, for 12% of the DV.