Ever caught yourself wondering why that chocolate craving hits so hard after a stressful day? Your body might need magnesium. While calcium and vitamin C steal the spotlight, magnesium works behind the scenes like a master orchestrator, conducting over 300 biochemical reactions in your incredible body daily.
Magnesium powers the show from the electricity flowing through your heart to the peaceful surrender into sleep. Yet surprisingly, nearly 75% of us aren't getting enough of this miracle mineral! In this blog, we’ll discover how this element helps in your wellness journey and how simple changes could transform your energy, mood, and resilience.
Importance of Magnesium in the Human Body

Energy Production
One of the major nutritional benefits of magnesium is its key role in ATP synthesis. ATP, or adenosine triphosphate, is the energy currency of your cells. Without enough magnesium, your body struggles to produce the energy you need to function every day. Simply put, magnesium fuels your life.
Nerve and Muscle Function
If you've ever experienced muscle cramps, twitches, or even numbness, you could be looking at a magnesium deficiency. Magnesium regulates nerve impulses and muscle contractions. It helps maintain a healthy balance of calcium and potassium across cell membranes, ensuring smooth and efficient muscle movement and nerve communication.
Bone Health
When thinking about strong bones, calcium usually steals the spotlight. But did you know that magnesium is just as critical? About 60% of the magnesium in your body is stored in your bones. Magnesium is essential for converting vitamin D into its active form, which in turn helps calcium absorption. Without magnesium, calcium can't do its job properly.
DNA and Protein Synthesis
Another major biological importance of magnesium is its role in the synthesis of DNA, RNA, and proteins. Every cell in your body relies on magnesium to create the molecules necessary for growth, repair, and function. Without enough magnesium, your body can't heal or grow effectively.
Blood Pressure and Glucose Control
Magnesium is important in maintaining healthy blood pressure and regulating blood sugar levels. It relaxes blood vessels, improves circulation, and helps insulin work more efficiently. Studies have shown that people with higher magnesium intake have lower risks of hypertension and Type 2 diabetes1.
Nutritional Benefits of Magnesium

Magnesium and Heart Health
Magnesium is crucial for maintaining a healthy heart rhythm and can even help prevent serious cardiovascular conditions. This mineral works with your heart muscle, ensuring it contracts and relaxes efficiently. One of the most vital processes magnesium helps with is the regulation of the heart’s electrical impulses.
The biological importance of magnesium here is clear. There’s a structure in the heart called the AV node, which controls the electrical signals that regulate the heartbeat. Magnesium helps to balance this electrical activity and promotes a steady, regular heartbeat. Without enough magnesium, the risk of heart arrhythmias (irregular heartbeats) increases.
Magnesium and Mental Health
When life gets stressful, magnesium can be your natural ally. Magnesium’s role in mental health is far-reaching. Studies have shown that it plays a significant part in regulating mood and could even help reduce anxiety and depression.2 One of the forms of magnesium, magnesium glycinate, is particularly effective in promoting mental well-being. It’s easily absorbed, making it a great choice if you're dealing with stress or emotional imbalance.
A study on magnesium found that just 125-300 mg of magnesium glycinate helped participants recover from major depression in less than a week!3 If you're constantly feeling stressed or anxious, magnesium could help you feel more at ease. It's a natural way to balance your mood and bring calm to your life. Magnesium’s ability to regulate neurotransmitters like serotonin is key to improving overall mental health.
Magnesium and Sleep
Magnesium is important for promoting restful sleep and better sleep quality. If you’re dealing with sleep issues, magnesium could be the solution you’re looking for. Magnesium works by regulating neurotransmitters in the brain, especially Gamma-Aminobutyric Acid (GABA), which helps calm the nervous system and prepares your body for a peaceful night’s rest.
By relaxing muscles and reducing stress hormones like cortisol, magnesium promotes a sense of calm that helps you wind down at night. Plus, it helps increase melatonin levels, the hormone that regulates your sleep-wake cycle. With magnesium, you can experience deeper, more restorative sleep.
Magnesium and Digestive Health
Magnesium helps break down food and ensures that nutrients are absorbed effectively into the bloodstream. It also supports regular bowel movements.
If you struggle with constipation, magnesium could provide some relief. It works by relaxing the muscles in the stomach and intestines, helping to move waste through your system more easily. Additionally, magnesium draws water into the intestines, softening the stool and making it easier to pass.
Common Symptoms of Magnesium Deficiency

Muscle Twitches and Cramps
One of the earliest signs of magnesium deficiency is muscle twitching or cramping. Magnesium plays a significant role in muscle function, and a lack of it can lead to involuntary spasms or cramps. You might notice your muscles twitching or cramping unexpectedly, especially in the legs or feet.
Why does this happen? When magnesium is low, calcium enters your muscle cells in excess, which leads to overactive nerves and muscles. This can cause muscle spasms and even painful cramps.
Fatigue and Muscle Weakness
Another common sign of magnesium deficiency is fatigue and muscle weakness. Magnesium is essential for energy production in the body. Without it, your body struggles to produce the ATP (adenosine triphosphate) needed for energy, leading to tiredness and exhaustion. Low magnesium levels can also affect potassium levels in your muscles, which contributes to feelings of weakness.
Irregular Heartbeat (Heart Arrhythmia)
A severe symptom of magnesium deficiency is an irregular heartbeat, also known as arrhythmia. Magnesium is critical for heart health because it helps regulate the electrical impulses that control your heart's rhythm.
When magnesium levels are too low, you might experience a fluttering sensation or a racing heartbeat. Research has shown that magnesium supplementation can help reduce the frequency of certain arrhythmias, making it an important mineral for those with heart concerns.4
Mood Disturbances and Mental Health Issues
If you're feeling anxious, irritable, or depressed, magnesium could be the missing link in your mental health. Magnesium is essential for the proper functioning of neurotransmitters (the chemicals responsible for sending messages between your brain and body).
High Blood Pressure
High blood pressure is another possible sign of magnesium deficiency. This mineral helps to relax and widen blood vessels, improving circulation and reducing blood pressure. A lack of magnesium can contribute to hypertension (high blood pressure), which is a risk factor for heart disease and stroke.
Osteoporosis
Magnesium is also crucial for bone health. Without enough magnesium, your bones may become weak. This condition, known as osteoporosis, can increase the risk of fractures and bone-related issues. Magnesium helps to regulate calcium in the body, which is essential for bone mineral density.
Risk Factors for Magnesium Deficiency
Older Adults
As we age, our body's ability to absorb magnesium decreases, and we also tend to eat fewer magnesium-rich foods. Older adults may also have higher requirements for magnesium, making them more susceptible to deficiency.
People with Gastrointestinal Diseases
If you suffer from gastrointestinal conditions like IBS (irritable bowel syndrome), Crohn’s disease, or celiac disease, your body might have difficulty absorbing magnesium from food. This increases the risk of magnesium deficiency.
Those with Poor Dietary Intake
Magnesium is found in a wide variety of foods, but if your diet is lacking in whole grains, seeds, and leafy greens, you may not be getting enough. A diet high in processed foods and low in magnesium-rich options can leave you vulnerable to magnesium deficiency.
Excessive Alcohol Consumption
Chronic alcohol consumption can increase magnesium loss in the urine, contributing to deficiency. If you drink heavily, this could be a factor in your low magnesium levels.
Certain Medications
Some medications, such as diuretics and proton pump inhibitors (PPIs), can deplete magnesium levels in the body. If you’re on any of these medications, be mindful of the potential for magnesium deficiency and discuss supplementation with your doctor.
Magnesium-Rich Foods to Include in Your Diet
Leafy Greens: Spinach, Kale, and Swiss Chard
You’ve probably heard that “greens are good for you,” but did you know they’re also packed with magnesium? Leafy greens like spinach, kale, and Swiss chard are rich in magnesium and can be an easy addition to your daily meals.
- Why Include Them?
The importance of magnesium in leafy greens is undeniable. They not only support muscle and nerve function but also help regulate blood sugar and improve heart health. - How to Eat Them?
Add a handful of spinach or kale to your salads, smoothies, or sauté them with olive oil for a quick, magnesium-packed meal.
2. Whole Grains: Brown Rice, Quinoa, and Oats
When it comes to magnesium-rich foods, whole grains should not be overlooked. Brown rice, quinoa, and oats are excellent sources that provide a range of health benefits.
- Why Include Them?
Whole grains are packed with magnesium, which is important for your digestive health and stabilising blood sugar levels. Eating these grains can also keep you feeling fuller for longer, making them a great option for weight management. - How to Eat Them?
Switch out refined grains for whole grains in your meals. Quinoa makes a great base for salads, brown rice is a perfect side dish, and oats are excellent for breakfast.
3. Legumes: Black Beans, Chickpeas, and Lentils
Legumes like black beans, chickpeas, and lentils are packed with magnesium and are also high in protein and fibre. These little powerhouses are an easy and affordable way to increase your magnesium intake.
- Why Include Them?
The biological importance of magnesium in legumes goes beyond just muscle function. They support heart health, improve digestion, and help manage blood pressure. - How to Eat Them?
Add black beans to your tacos, toss chickpeas into salads, or prepare lentils in soups and stews.
5. Fruits: Bananas, Avocados
Who doesn’t love fruit? Not only are bananas and avocados delicious, but they’re also magnesium-rich. These fruits provide a quick and tasty way to boost your magnesium intake.
- Why Include Them?
Bananas are well-known for their potassium, but they also offer a healthy dose of magnesium to support nerve and muscle function. Avocados, on the other hand, provide healthy fats along with magnesium, helping to support brain health and heart function. - How to Eat Them?
Enjoy a banana as a snack or blend it into a smoothie. Add avocado to your toast, salads, or even make a creamy guacamole.
6. Others: Dark Chocolate and Fatty Fish like Salmon
Did you know that dark chocolate (with at least 70% cocoa) is high in magnesium? Plus, fatty fish like salmon offer a combination of magnesium and omega-3 fatty acids, both essential for optimal health.
- Why Include Them?
Dark chocolate not only satisfies your sweet tooth but also boosts your mood, due to its magnesium content. Meanwhile, salmon provides a dose of healthy fats and magnesium to support your heart and brain. - How to Eat Them?
Enjoy a small piece of dark chocolate as an afternoon snack, or add grilled salmon to your dinner for a heart-healthy, magnesium-rich meal.
Conclusion
Unfortunately, many of us don’t get enough magnesium through our diet, which can lead to issues like muscle cramps, poor sleep, and even anxiety. So, why is magnesium important? Simply put, it’s crucial for maintaining optimal health.

iThrive Essentials Magnesium Bisglycinate is a fantastic choice when it comes to magnesium supplements. Sourced from trusted suppliers, it delivers high-quality ingredients for unmatched purity and potency. Plus, it’s easy to use; the powder form mixes effortlessly into water, smoothies, or any beverage of your choice, making it simple to incorporate into your daily routine. Trusted by health professionals for its effectiveness and safety, magnesium bisglycinate is the natural way to support your health goals.
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