
Magnesium is an essential mineral that plays a crucial role in nerve signalling, muscle function, and bone health. While it is rare to develop health problems due to magnesium deficiency, chronically low levels can increase the risk of high blood pressure, Type 2 diabetes, osteoporosis, and muscle aches. This occurs because magnesium is necessary for the release of calcium from the sarcoplasmic reticulum, and insufficient magnesium levels can cause muscle soreness and spasms. Therefore, maintaining adequate magnesium intake through diet or supplements is important to prevent muscle aches and other health issues associated with magnesium deficiency.
| Characteristics | Values |
|---|---|
| Muscle aches caused by low magnesium | Muscle spasms, muscle cramps, and/or numbness in hands and feet |
| Risk factors for low magnesium | Living with gastrointestinal diseases (Crohn's disease, celiac disease), Type 2 diabetes, alcohol use disorder, old age, certain medications |
| Treatment for low magnesium | Magnesium-rich foods, supplements, or intravenous (IV) fluids in severe cases |
| Symptoms of low magnesium | Fatigue, weakness, loss of appetite, nausea, vomiting, abnormal heart rhythms, seizures |
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What You'll Learn

Magnesium deficiency and muscle spasms
Magnesium is a mineral that is essential for healthy muscles, nerves, bones, and blood sugar levels. Magnesium deficiency, or hypomagnesemia, occurs when an individual has lower-than-normal levels of magnesium in their blood. This can be caused by a variety of factors, including gastrointestinal diseases, diabetes, alcohol use disorder, older age, and certain medications.
Magnesium deficiency is often underdiagnosed since symptoms may not appear until levels become severely low. In some cases, individuals may not experience any symptoms at all. However, one of the initial signs of magnesium deficiency can be muscle spasms or tremors. This is because magnesium plays a role in nerve signaling and potassium levels in muscle cells, and a deficiency can disrupt these processes, leading to involuntary muscle twitches and spasms.
If left untreated, magnesium deficiency can cause more severe symptoms, including fatigue, weakness, nausea, vomiting, abnormal heart rhythms, and seizures. In rare cases, extremely low magnesium levels can lead to fatal cardiac arrhythmias. Therefore, it is important to seek medical advice if you are experiencing symptoms of magnesium deficiency.
To increase magnesium intake, a “food-first" approach is recommended, incorporating magnesium-rich foods such as whole grains, avocados, and black beans. If dietary changes do not improve magnesium levels, supplements can be considered, but it is important to speak to a healthcare professional first to avoid unwanted side effects and medication interactions.
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Magnesium-rich foods and supplements
Magnesium is an essential mineral that plays a crucial role in maintaining normal muscle and nerve function, building bones and teeth, supporting the immune system, and facilitating energy and protein production in the body. While symptoms of magnesium deficiency are usually subtle, low magnesium levels can affect multiple bodily processes, including nerve signalling and potassium levels in muscle cells, which may lead to muscle aches and pains.
If you suspect that you may have a magnesium deficiency, it is advisable to consult a healthcare professional before taking any supplements. A "food-first" approach is generally recommended to increase magnesium intake, and there are plenty of magnesium-rich foods to choose from. Legumes, such as black beans, lima beans, navy beans, pinto beans, chickpeas, and black-eyed peas, are excellent sources of magnesium. They are also high in fibre and have a low glycemic index, making them a nutritious addition to your diet.
Whole grains like wheat, oats, barley, buckwheat, and quinoa are also rich in magnesium. A 1-cup serving of cooked buckwheat, for example, provides 86 mg of magnesium. Fatty fish like salmon, mackerel, and halibut are good sources of magnesium, with a 3.5-ounce serving of cooked salmon providing 30 mg. For vegetarians, tofu is a great option, offering 35 mg of magnesium per 3.5-ounce serving.
If you're craving something sweet, dark chocolate can satisfy your taste buds and provide a magnesium boost, with 65 mg of magnesium per 1-ounce serving. Seeds, such as flax, pumpkin, and chia seeds, are another way to incorporate magnesium into your diet, offering not only magnesium but also healthy fats, fibre, and omega-3 fatty acids. Lastly, leafy greens like spinach are a fantastic source of magnesium and other nutrients like iron, manganese, and vitamins A, C, and K. A 1-cup serving of cooked spinach provides a substantial 158 mg of magnesium.
If your diet alone does not sufficiently increase your magnesium levels, magnesium supplements may be an option, but it is important to consult a healthcare provider before taking any supplements to ensure they are right for you and to avoid potential side effects or medication interactions. Magnesium supplements come in various forms, such as magnesium citrate, magnesium oxide, magnesium chloride, and magnesium lactate, and can be taken orally or applied topically as sprays, oils, or gels.
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Alcoholism and magnesium deficiency
Magnesium is an essential mineral for the human body, playing a role in protein synthesis, internal cell functions, and energy production. It is also vital for healthy muscles, nerves, bones, and blood sugar levels.
Magnesium deficiency is prevalent among alcoholics and can be caused and aggravated by several factors. Firstly, ethanol, the main ingredient in alcohol, acts as a magnesium diuretic, causing a prompt increase in the urinary excretion of magnesium, along with other electrolytes, through the kidneys. This means that regular consumption of more alcohol than is recommended slowly depletes the body's stores of magnesium. Secondly, liver damage caused by heavy and binge drinking can further exacerbate magnesium deficiency. Heavy drinking is defined as more than four drinks a day for men or three for women, while binge drinking is five or more drinks for males or four or more for females on the same occasion. Finally, certain medications can also hinder the body's ability to absorb magnesium, and a diet including foods with high phytate content, such as brown rice and oat bran, may be unsuitable for deficient individuals as the human digestive system cannot absorb phytates.
The symptoms of magnesium deficiency are usually subtle and may not appear until levels become severely low. However, left untreated, magnesium deficiency can cause muscle spasms, tremors, fatigue, weakness, abnormal heart rhythms, seizures, and high blood pressure. In the context of alcoholism, magnesium deficiency has also been found to contribute to osteoporosis and various cardiovascular diseases.
If you believe you may have a magnesium deficiency, it is important to speak with your doctor or a dietitian about increasing your magnesium intake in a way that works for you. This can be done through a "`food-first` approach, including magnesium-rich foods in your diet, such as whole grains, brown rice, and oat bran. If your diet alone does not help, magnesium supplements are also available and can be discussed with a healthcare provider.
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Magnesium and mental health
Magnesium is an essential mineral that plays a role in hundreds of functions in the body, including nerve signalling and regulating potassium levels in muscle cells. It also helps to manage blood pressure and blood sugar, and make protein, bone, and DNA.
Magnesium deficiency may be underdiagnosed since signs often don't appear until levels become severely low. Low magnesium levels can cause fatigue and muscle aches and pains. However, untreated magnesium deficiency can lead to abnormal heart rhythms and seizures.
Magnesium is also important for mental health. Research has shown that magnesium can be a powerful tool in treating depression, and it may also help with anxiety. A 2023 review of seven clinical trials found that magnesium supplements significantly improved symptoms of depression. A 2019 study published in the journal Nutrients also found that people with low blood levels of magnesium were more likely to have symptoms of depression. Additionally, a 2024 systematic review found that magnesium supplementation may benefit people with mild anxiety and insomnia.
Magnesium regulates brain chemicals such as glutamate and serotonin, which influence mood and keep you calm. It also works to lower levels of stress hormones such as cortisol in the body. Low magnesium levels can put you at risk of mental health conditions like depression and anxiety.
If you think you may have a magnesium deficiency, speak with your doctor about increasing your magnesium intake through diet or supplements.
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Magnesium deficiency and fatigue
Magnesium is a vital nutrient that most people don't get enough of. It is an essential mineral for healthy muscles, nerves, bones, and blood sugar levels. While health problems linked to magnesium deficiency are rare, they can occur if an individual has low magnesium levels over a prolonged period.
Magnesium deficiency, also known as hypomagnesemia, occurs when an individual has lower-than-normal levels of magnesium in their blood. It can be mild or severe, and symptoms may not appear until levels drop dramatically. Some people may not experience any symptoms at all. However, magnesium deficiency can cause fatigue and weakness. This is because low magnesium levels can affect nerve signaling and potassium levels in muscle cells, which may result in fatigue and muscle aches.
Several factors can contribute to magnesium deficiency. Certain health conditions, such as gastrointestinal diseases (Crohn's disease or celiac disease), diabetes, and alcoholism, can lead to poor magnesium absorption or increased magnesium loss. Additionally, specific medications, including proton pump inhibitors, diuretics, and antibiotics, can interfere with magnesium absorption or cause excessive magnesium loss through the kidneys or gastrointestinal tract. Age is also a factor, as the body's ability to absorb magnesium decreases with age.
If you suspect magnesium deficiency, it is important to consult a healthcare professional. They can advise you on the best course of action, which may include dietary changes or magnesium supplements. Mild magnesium deficiency can often be addressed by increasing your intake of magnesium-rich foods, such as whole grains, avocados, and black beans. However, in cases of severe deficiency, medical intervention may be necessary, including intravenous (IV) magnesium administration in a hospital setting.
While magnesium deficiency may contribute to muscle aches and fatigue, it is important to note that these symptoms can have various causes. Therefore, seeking professional advice is crucial to ensure an accurate diagnosis and appropriate treatment plan.
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Frequently asked questions
Yes, low magnesium can cause muscle aches, spasms, cramps, and tremors. It can also cause fatigue and weakness.
Adult men need between 400 and 420 milligrams of magnesium each day, while women need 310 to 320 milligrams.
Treatment for low magnesium involves increasing magnesium intake through diet or supplements. Magnesium-rich foods include whole grains, mangoes, avocados, and black beans. If dietary changes are insufficient, magnesium supplements are available in various forms, such as magnesium citrate, magnesium oxide, and magnesium chloride.











































