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The Benefits Of Magnesium And Other Vitamins On Weight Loss

Scott McDougall
Scott McDougallMPharmDirector & Registered Manager

Reviewed on 18 Aug 2023

The weight loss journey can be a challenging yet rewarding experience. Many individuals explore dietary supplements like magnesium and other vitamins to support their efforts and make the process a bit more seamless. Magnesium and other vitamins could be promising options for supporting your journey.

Especially magnesium can offer many benefits that could impact your weight loss. You might prevent deficiencies, boost your metabolism and burn calories faster, regulate blood sugar, improve your sleep, and reduce stress in your life.

While magnesium might affect your weight loss, it can also target other parts of your lifestyle that connect to the process.

Here’s all you need to know about the benefits of magnesium and other vitamins on weight loss.

Benefits of Magnesium on Weight Loss

Boosting Metabolism

Magnesium plays an essential role in regulating metabolism, which is the process by which the body converts food and drink into energy. It helps activate many reactions in the body needed for this process. It contributes to effective glucose oxidation, which is a process of converting glucose (a type of sugar) into energy, fat burning, building proteins, and the metabolism of carbohydrates, fats, and amino acids.

By optimising metabolic function, magnesium can help increase calorie and fat burning even during rest. This boosted metabolism and energy expenditure then translates into easier weight loss. Research indicates that magnesium deficiency impairs metabolic pathways. Correcting insufficiency and attaining optimal magnesium levels can therefore have direct benefits for metabolism and weight management.

Insulin Regulation

Magnesium also impacts weight by regulating insulin, one of the key hormones involved in fat storage. Proper insulin function is essential for the body to manage blood sugar effectively. Magnesium helps your body use insulin more effectively, which is important for controlling blood sugar levels.

For individuals facing insulin resistance, the journey might be a bit more uphill as their cells struggle to respond to normal insulin levels, causing a rise in blood sugar. By improving insulin sensitivity, magnesium supplementation can aid in stabilising blood glucose. Maintaining healthy blood sugar control is imperative for reducing fat accumulation and managing body weight over the long term.

Reducing Inflammation

Chronic inflammation is associated with obesity, impaired metabolism, and difficulties losing weight. Substances that cause or increase inflammation can disrupt hormonal signalling involved in energy regulation and fat storage. Magnesium has natural anti-inflammatory effects on the body.

Embracing a regimen that includes 200-400 mg of magnesium daily may provide a gentle nudge in reducing inflammation, a condition that can be checked by measuring certain substances in the blood like C-reactive protein (CRP), Interleukin-6 (IL-6), and Tumor Necrosis Factor alpha (TNF-α), which are substances in the blood that indicate inflammation. By contributing to a reduction in systemic inflammation (widespread inflammation throughout the body), optimal magnesium intake can support easier weight loss over time.

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Regulating Cortisol

Life's stresses trigger the release of cortisol, a hormone from our adrenal glands, which in turn can play tricks on our appetite and cravings. While it has some important functions, elevated cortisol levels lead to increased appetite, cravings for unhealthy food, and greater fat accumulation around the abdomen.

Magnesium helps manage the body’s response to stress by controlling the hormone cortisol. Studies show supplementing with magnesium can promote lower cortisol levels under stress. By optimising the body’s cortisol balance, magnesium may help minimise stress-related fat gain, especially increased belly fat.

Supporting Sleep

Quality sleep is critical for weight management. Poor and insufficient sleep promotes overeating and disrupts hormones like ghrelin (hunger hormone) and leptin (helps to signal when you’re full), which regulate appetite and fat burning. Magnesium helps you sleep better by relaxing your muscles naturally.

Studies demonstrate that supplementation with magnesium improves sleep quality for many people. By enhancing sleep duration and regularity, magnesium supports healthy body weight indirectly but significantly.

Magnesium Forms and Their Impact on Weight Loss

Comparison of Magnesium Citrate, Magnesium Oxide, and Other Forms

Magnesium comes in different forms like magnesium citrate, magnesium oxide, magnesium glycinate, and magnesium threonate. The type of magnesium affects how well your body can use it.

Magnesium citrate is a type that your body can absorb easily. It breaks down quickly in your stomach so your body takes it in better. Citrate also helps relieve constipation, a common problem when trying to lose weight.

On the other hand, magnesium oxide does not absorb as well, with less than 4% getting used by your body. But magnesium oxide is still commonly used because it’s very cheap to make. For weight loss, magnesium citrate works much better.

Best Magnesium Form for Weight Loss and How Well It Works

Overall, magnesium citrate is easily absorbed and provides extra benefits like relieving constipation, which can support weight loss efforts. While the exact impact varies based on the individual, studies show getting enough magnesium from citrate or other quality forms can help complement lifestyle changes for healthy long-term weight management.

Of course, actual results depend on the person’s diet, exercise, health conditions, and genes. But adequate daily magnesium can complement lifestyle changes for long-term weight management.

Benefits of Other Essential Vitamins on Weight Loss

Vitamin B Complex

The comforting embrace of B complex vitamins plays a pivotal role in energy production and metabolism, acting like little sparks igniting the fuel our bodies need. Vitamins B2, B3, B5, B6, and B12 support chemical reactions in the body involved in fat, protein, and carbohydrate metabolism. These water-soluble vitamins aid in the conversion of food into usable energy.

By optimising metabolism, B complex vitamins can help increase resting calorie expenditure. This means your body passively burns more calories throughout the day, even while sedentary. Research indicates that deficiencies in certain B vitamins are associated with slower metabolism. Correcting insufficiencies through supplementation may therefore accelerate weight loss.

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Vitamin D

Vitamin D also relates directly to weight management. Studies show that overweight and obese individuals tend to have lower blood levels of vitamin D. One reason is that this fat-soluble vitamin (a vitamin that dissolves in fat and can be stored in the body) gets deposited and stored in fat cells. As body fat increases, circulating vitamin D decreases.

Research also suggests vitamin D helps regulate the formation of new fat cells and modifies the accumulation of body fat. Increasing vitamin D levels through sun exposure, food sources, or supplements may therefore help break down fat and prevent excessive storage. Given vitamin D’s hormonal effects on metabolism, supplementation has been shown to boost weight loss.

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Vitamin C

Vitamin C is a powerful antioxidant that supports the oxidation or burning of stored fat for energy. During exercise like cardiovascular workouts, supplementing with vitamin C has been shown to enhance the oxidation of fat stores.

By contributing to fat burning during physical activity, vitamin C helps release stored fat so the body “reveals” more toned, defined muscles below. Increased fat oxidation translates to greater visible weight loss and changing your body’s muscle and fat ratio.

Vitamin E

Vitamin E may help modulate and balance key hormones involved in metabolism and weight management like leptin. Leptin is a hormone released by fat cells that signals when you’re full and suppresses appetite.

Research shows vitamin E supplementation can help optimise leptin levels. Keeping this fat-fighting hormone in proper balance supports easier weight loss by controlling hunger cravings and portion sizes.

Vitamins Targeting Belly Fat

Losing stubborn belly fat can be one of the biggest challenges when trying to reach a healthy weight. Research shows that certain vitamins and minerals may be beneficial for targeting abdominal fat in particular.

For example, studies indicate that vitamin C plays a role in reducing belly fat by supporting fat burning and minimising fat accumulation around the midsection. Other antioxidants like green tea extract and resveratrol also appear to positively impact abdominal fat.

In addition, vitamin D, calcium, and magnesium work together better to influence fat cell production and distribution in the abdomen. Getting enough of these nutrients can help reduce belly fat and waist size. Taking a high-quality multivitamin like our Forceval Capsules provides optimal levels of fat-fighting vitamins and minerals.

When combined with regular exercise, a balanced diet, and an overall healthy lifestyle, targeted vitamin supplementation may accelerate the reduction of stubborn belly fat for improved weight management. As always, it’s best to consult a healthcare professional before beginning any new supplement regimen.

Benefits of Combining Magnesium and Vitamins

Enhanced Metabolism

Combining magnesium supplementation with a daily multivitamin gives you the advantage of ensuring sufficient levels of all these micronutrients (nutrients needed in small amounts like vitamins and minerals) that influence metabolism.

Research indicates that magnesium and B vitamin deficiencies often occur together. Correcting insufficiencies in both simultaneously through supplementation provides you with stronger metabolic benefits. These nutrients work together to help break down sugars, fats, and proteins in your food for energy.

Overall Weight Management

Adequate intake of magnesium, along with essential vitamins like B complex, vitamin D, and antioxidants, provides bigger support for overall healthy weight management. While lifestyle factors like diet and exercise form the foundation, optimised vitamin and mineral intake can accelerate results.

Rather than taking many separate supplements, take a good multivitamin. That can help you fill in the nutritional gaps that might be slowing down your weight loss. Of course, the ideal dosages and combinations of micronutrients should be tailored to your needs. Consulting a knowledgeable practitioner will give you guidance in assembling the optimal supplement stack for your weight goals.

Practical Considerations and Precautions

Consulting Healthcare Providers

While vitamin and mineral supplementation can provide advantages, it’s important to assemble a personalised regimen suited to your health status and medical conditions. Taking too much of some vitamins and minerals can cause side effects, especially for people with certain health conditions.

For example, it’s recommended that adults not take more than 300 mg of magnesium per day for men and 270 mg for women. Excess magnesium intake can lead to diarrhoea, nausea, and other gastrointestinal side effects. Too much vitamin D may also have negative impacts on health.

It’s wise to have testing done to identify any specific deficiencies before beginning supplementation. Ongoing monitoring while taking vitamins provides insight into their impacts and guidance on modifying the dosages as needed. Partnering with your healthcare practitioner helps maximise benefits while minimising risks.

Balanced Diet and Exercise

Supplements should complement, not replace, core healthy lifestyle behaviors like regular exercise, stress management, and a balanced diet. Focus on obtaining a variety of vitamins and minerals from natural food sources as the foundation. Make sure to consume adequate protein for nutritional needs along with fiber for digestive health.

A sustainable approach that supports your nutrition, activity levels, and overall well-being provides the best environment for long-term weight management success. Be patient through plateaus and setbacks - permanent healthy changes take time and commitment.


Correcting insufficiencies through food sources and supplements helps optimise metabolic function, insulin regulation, and other processes integral to healthy weight management.

While vitamin and mineral supplementation can accelerate results, it does not replace the foundational role of regular exercise, stress reduction, and a balanced diet. Patience and commitment to sustainable lifestyle changes enable successful long-term weight management. Partnering with knowledgeable healthcare providers ensures a personalised plan that produces results safely and effectively.

Losing weight takes time. Your persistent steps, no matter how small, carve the path towards significant milestones. It's about embracing each day, each choice, and celebrating the small victories along the way. We're here to cheer you on every step of your journey.


Which type of Magnesium is best for weight loss?

Research indicates that magnesium citrate is the most effective form for supporting weight loss. Magnesium citrate has high bioavailability, which means the amount your body can absorb and use for ready absorption and provides added benefits like relieving constipation. A dosage of 200-400 mg per day taken with food is ideal.

What are the 10 signs of low Magnesium?

Symptoms of magnesium deficiency include muscle cramps, eye twitches, irregular heartbeat, headache, anxiety, high blood pressure, type 2 diabetes, osteoporosis, fatigue, and trouble sleeping. Chronic low magnesium intake can negatively impact many aspects of health.

Does Magnesium Citrate help you lose belly fat?

Yes, studies show magnesium supplementation can help reduce belly fat storage. Magnesium modulates cortisol and metabolic pathways involved in fat distribution. Taking 200-400 mg/day of magnesium citrate as part of a healthy diet and exercise regimen may help target a reduction in abdominal fat.

What vitamins are good for losing belly fat?

Research shows that vitamins C, D, calcium, and magnesium can help influence how the fat breaks down and its distribution, specifically in the abdominal region. Adequate intake of these micronutrients supports fat burning while minimising belly fat accumulation.

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