The 9 Best Magnesium Supplements for a Keto Diet: Enhance Your Ketogenic Diet Journey

Table of Contents


The 9 Best Magnesium Supplements for a Keto Diet: Enhance Your Ketogenic Diet Journey

magnesium and keto diet

Embarking on a keto diet can be a transformative experience for many individuals seeking to improve their health and achieve weight loss goals. This low-carb, high-fat diet puts the body into a state of ketosis, where it becomes incredibly efficient at burning fat for energy. However, following a keto diet requires careful attention to nutrient intake, as certain essential minerals may be lacking. One such mineral is magnesium.

Magnesium and Keto Diet

keto diet

Before delving into the best magnesium supplements for a keto diet, it’s important to understand the role of magnesium in the body and the benefits of following a ketogenic diet.  Understanding Magnesium
Magnesium is a crucial mineral that plays a pivotal role in over 300 enzymatic reactions in the human body, influencing various physiological processes. It is essential for the proper functioning of muscles and nerves, regulation of blood pressure, and supporting the immune system. Magnesium also plays a critical role in energy production and the synthesis of protein and DNA. Despite its importance, many people do not consume enough magnesium in their diets, leading to deficiencies that can affect overall health.

What is Magnesium?

Magnesium is an essential mineral that plays a crucial role in over 300 biochemical reactions in the body. It is involved in energy production, muscle function, nerve signaling, and the synthesis of DNA and proteins. Additionally, magnesium is a vital electrolyte, along with potassium, that helps to maintain proper fluid balance and muscle contractions.

Benefits of the Keto Diet

The keto diet has gained popularity for its numerous health benefits. People who follow a ketogenic diet may experience weight loss, improved insulin sensitivity, reduced inflammation, increased mental clarity, and enhanced energy levels. By drastically reducing carbohydrate intake and replacing it with healthy fats, the body enters a metabolic state known as ketosis, where it becomes highly efficient at burning stored fat for fuel.

 The ketogenic, or keto, diet has indeed become one of the most talked-about diets in recent years due to its significant impact on weight loss and overall health improvement. Here are some of the key benefits of the keto diet more closely examined:

  • Weight Loss: One of the primary reasons people opt for the keto diet is for weight loss. By drastically reducing carbohydrate intake and increasing fat consumption, the body is forced to use fat as its primary fuel source instead of carbohydrates. This process leads to a reduction in body fat percentage and weight. Studies have shown that the keto diet can be more effective for weight loss in the short term compared to low-fat diets. 
  • Improved Insulin Sensitivity: The keto diet can improve insulin sensitivity, which is beneficial for people with type 2 diabetes and those at risk of developing the condition. A low intake of carbohydrates can decrease blood sugar levels and diminish the need for insulin, helping to manage diabetes symptoms and reduce the risk of developing the disease. 
  • Reduced Inflammation: The reduction in sugar and processed foods, coupled with the increase in anti-inflammatory fatty acids like omega-3s found in the keto diet, can lead to decreased inflammation in the body. Chronic inflammation is linked to numerous health issues, ranging from heart disease to cancer, so this benefit can significantly impact overall health. 
  • Increased Mental Clarity: Many individuals on the keto diet report improved cognitive function and increased mental clarity. While the initial transition to ketosis can sometimes result in temporary brain fog, once the body fully adapts, many experience heightened focus and cognition. This is possibly due to the constant fuel supply in the form of ketones to the brain and the reduction in blood sugar spikes that can affect brain function. 
  • Enhanced Energy Levels: The keto diet can lead to more stable energy levels throughout the day. When the body is in ketosis, it has a steady supply of energy from fat, which means there aren’t the same spikes and crashes in energy that can come from consuming a high-carbohydrate diet. This can result in feeling more energized and less fatigued during the day. 
  • Potential Therapeutic Uses: Beyond weight loss and metabolic health, the keto diet has been studied for its potential therapeutic benefits in various neurological diseases, including epilepsy, Alzheimer’s disease, and Parkinson’s disease. The high-fat, low-carb diet has been used to manage epilepsy for decades and shows promise for neuroprotective benefits, though more research is needed in these areas.

It’s important to note that while the keto diet offers numerous benefits, it may not be suitable for everyone. Before embarking on a ketogenic lifestyle, it’s recommended to consult with a healthcare provider, especially for individuals with pre-existing health conditions. Additionally, a focus on consuming healthy fats, adequate protein, and nutrient-dense, low-carb vegetables can help ensure the diet’s benefits are maximized while minimizing potential risks. 

The Importance of Magnesium on a Keto Diet

Magnesium is particularly important for individuals following a keto diet due to its role in many of the body’s essential functions. When following a low-carb diet, magnesium levels may become depleted, leading to an imbalance of electrolytes and unpleasant symptoms commonly known as the keto flu. These symptoms can include fatigue, muscle cramps, irritability, and headaches.

Understanding Magnesium Supplementation

magnesium supplements

To avoid magnesium deficiency and alleviate the symptoms of the keto flu, many individuals turn to magnesium supplementation. However, not all magnesium supplements are created equal, and choosing the right one is essential for optimal results.

Why Might You Need a Magnesium Supplement?

Supplementing with magnesium may be necessary for individuals on a keto diet due to the increased demand for this essential mineral. Magnesium citrate, magnesium glycinate, and magnesium oxide are some forms of magnesium supplements commonly used by keto dieters.

Symptoms of Low Magnesium Levels

Signs of low magnesium levels include muscle cramps, fatigue, weakness, irregular heartbeat, and mood disturbances. If you experience any of these symptoms while following a low-carb diet, it may be an indication that your magnesium levels are too low. 

Having low magnesium levels, known medically as hypomagnesemia, can indeed cause a variety of symptoms because magnesium plays a critical role in many bodily functions. When your magnesium levels are too low, it can affect your muscles, nervous system, and heart rhythm, among other things.

Here’s a bit more detail about the symptoms you might experience with low magnesium levels: 

  • Muscle Cramps and Spasms: Magnesium is crucial for muscle function. It helps with the contraction and relaxation of muscles. Low levels can lead to involuntary cramps or spasms, often noticed in the legs. 
  • Fatigue and Weakness: Magnesium is involved in energy production. A deficiency can result in a feeling of fatigue or general weakness since your body isn’t producing energy as efficiently. 
  • Irregular Heartbeat (Arrhythmia): Magnesium plays a key role in maintaining a healthy heartbeat. Low levels can lead to arrhythmias, which might feel like a fluttering or racing heart. In severe cases, it can contribute to more serious heart conditions. 
  • Mood Disturbances: There’s a growing body of evidence suggesting that magnesium has a profound effect on mood. Deficiencies have been linked to an increased risk of depression and anxiety. This may be due to magnesium’s role in brain function and neurotransmitter regulation. 
  • Nausea and Vomiting: In the early stages, low magnesium levels can lead to gastrointestinal disturbances, including nausea and vomiting. 
  • Numbness and Tingling: Magnesium helps in the proper functioning of nerves. When levels drop, it can cause neurological symptoms like numbness and tingling sensations, often in the hands and feet. 
  • Loss of Appetite: An early sign of magnesium deficiency can include a loss of appetite, which might be coupled with some of the other symptoms like nausea. 

It’s important to note that these symptoms are not exclusive to magnesium deficiency and can overlap with many other health issues. If you’re experiencing any of these symptoms, especially if you’re on a special diet like a low-carb diet that might not provide sufficient magnesium, it is crucial to consult with a healthcare provider.

They can conduct appropriate tests to determine if magnesium deficiency is the cause and recommend dietary adjustments or supplements as needed. Foods rich in magnesium include leafy greens, nuts, seeds, and whole grains, among others. 

Finding the Best Magnesium Supplement

When choosing a magnesium supplement, it’s important to consider factors such as bioavailability, dosage, and personal preferences. Some of the best magnesium supplements for keto dieters include magnesium citrate, magnesium glycinate, and magnesium chloride.  When selecting the best magnesium supplement, especially for those following a ketogenic diet or anyone concerned with optimizing their magnesium intake, understanding the unique benefits and characteristics of each form of magnesium can play a crucial role in making an informed decision. Here’s a closer look at magnesium citrate, magnesium glycinate, and magnesium chloride:

Magnesium Citrate 

  • Bioavailability: Magnesium citrate is known for its good bioavailability. This means your body can absorb it relatively easily. 
  • Benefits: It’s often used for its laxative effect and can help with constipation, which can sometimes be an issue for keto dieters during the transition phase to a low-carb diet. 
  • Consider When: You’re experiencing digestive issues or when you’re seeking a balance between a magnesium supplement and maintaining gut health. 

Magnesium Glycinate 

  • Bioavailability: This form of magnesium is bound to glycine, an amino acid, making it highly bioavailable and easily absorbed by the body. 
  • Benefits: Magnesium glycinate is often recommended for individuals seeking to improve sleep quality or reduce anxiety, as glycine has calming effects on the brain. It’s also gentle on the stomach, making it a suitable option for those with sensitive digestive systems. 
  • Consider When: You need a magnesium supplement that supports relaxation, mental calm, and sleep, especially while adapting to the dietary restrictions of keto. 

Magnesium Chloride 

  • Bioavailability: It offers good bioavailability and is efficiently absorbed through the skin, which is why it is commonly found in topical magnesium products like oils and lotions. 
  • Benefits: It’s a versatile form of magnesium, useful not just for dietary deficiencies but also for topical application to alleviate muscle soreness and improve skin health.
    Consider When: You prefer external applications or have difficulty with oral supplements. It’s also suitable for those looking for additional methods to relieve muscle tension or for skin applications. 

Factors to Consider in Choosing the Best Magnesium Supplement 

  • Intended Use: Your primary goal (e.g., improving sleep, aiding digestion, enhancing muscle recovery) heavily influences which form of magnesium to choose. 
  • Bioavailability: Generally, the higher the bioavailability, the more effectively your body can use the magnesium. 
  • Gastrointestinal Sensitivity: Some magnesium supplements can cause gastrointestinal issues like diarrhea. Magnesium glycinate is typically easier on the stomach. 
  • Dietary Restrictions: Ensure the supplement fits within the parameters of a keto diet without unnecessary additives or sugars. 
  • Lifestyle: If taking pills is challenging, magnesium chloride can be a practical alternative through topical application. 

Dosage and Consultation
Always start with the recommended dosage on the supplement package and consider consulting a healthcare provider, particularly if you’re taking other medications or have existing health conditions. They can offer personalized advice based on your health status and nutritional needs.

The 9 Best Magnesium Supplements for a Keto Diet

magnesium supplements for keto dieters

When following a keto diet, it’s important to ensure you’re getting adequate magnesium to support your body’s essential functions. Here are nine of the best magnesium supplements for keto dieters:

Magnesium Glycinate: A Highly Absorbable Option

Magnesium glycinate is a popular choice due to its high bioavailability, meaning it is easily absorbed by the body. This form of magnesium is less likely to cause gastrointestinal side effects and is a good option for those with a sensitive stomach.

Magnesium Citrate: Promoting Healthy Digestion

Magnesium citrate is known for its ability to support healthy digestion. It has a soothing effect on the intestines and can help relieve constipation, a common side effect of the keto diet. This form of magnesium is also highly bioavailable.

Magnesium Malate: Supporting Energy Production

Magnesium malate is beneficial for individuals looking to enhance their energy levels. This form of magnesium is involved in the production of adenosine triphosphate (ATP), the body’s main source of energy. It also supports muscle function and can help reduce muscle cramps.

Magnesium L-Threonate: Enhancing Cognitive Function

If you’re looking to improve cognitive function, magnesium L-threonate may be a suitable choice. This form of magnesium has been shown to cross the blood-brain barrier and enhance brain health. It may help improve memory, focus, and overall cognitive performance.

Magnesium Orotate: Boosting Cardiovascular Health

Magnesium orotate is often used to support cardiovascular health. It has been found to improve heart function, reduce blood pressure, and enhance athletic performance. This form of magnesium is well-absorbed by the body and may be beneficial for individuals with heart conditions.

Magnesium Taurate: Calming the Nervous System

For those seeking to calm their nervous system and promote relaxation, magnesium taurate is a good option. This form of magnesium is combined with the amino acid taurine, which has calming and anti-anxiety effects. It may help reduce stress, improve sleep quality, and support overall mental well-being.

Magnesium Oxide: Budget-Friendly Choice

Magnesium oxide is one of the most affordable forms of magnesium supplements. While it has lower bioavailability compared to other forms, it can still be effective in replenishing magnesium levels. This option is suitable for those on a tight budget.

Magnesium Chloride: Topical Application for Muscle Relief

While most magnesium supplements are taken orally, magnesium chloride can be applied topically for targeted muscle relief. It is commonly used in the form of sprays or lotions and can help alleviate muscle cramps, spasms, and soreness. This form of magnesium is also well-absorbed through the skin.

Multi-Mineral Supplements: Combined Magnesium Benefits

For a comprehensive approach to meeting your magnesium needs, consider a multi-mineral supplement. These supplements typically contain a combination of magnesium along with other essential minerals like potassium. They can help ensure you’re getting a balanced intake of nutrients.

Remember to consult with a healthcare professional before starting any new supplements, especially if you have pre-existing health conditions or are taking medication. They can provide personalized guidance based on your specific needs.

Other Considerations for a Keto Diet

keto diet and magnesium

While magnesium supplementation is an important aspect of a keto diet, it is essential to consider other factors that can impact your overall health and well-being.

Importance of Potassium and Magnesium Supplementation

In addition to magnesium, potassium is another vital electrolyte that plays a crucial role in maintaining proper fluid balance, nerve function, and muscle contractions. Similar to magnesium, a low-carb diet can deplete potassium levels, resulting in symptoms such as fatigue, muscle weakness, and irregular heartbeat. Therefore, it is recommended to supplement with potassium to maintain optimal electrolyte balance while following a keto diet.

Food Sources of Magnesium on a Keto Diet

While magnesium supplementation is beneficial, it is also essential to include food sources of magnesium in your keto diet. Leafy greens, such as spinach and kale, are excellent sources of magnesium. Additionally, foods like almonds, cashews, and avocados are also rich in magnesium. Incorporating these foods into your meals can help ensure you are getting a sufficient amount of magnesium from natural sources.

Recommended Daily Intake of Magnesium

The recommended daily intake of magnesium varies depending on age, sex, and overall health. However, on average, adults generally require around 400-420 mg of magnesium per day. It is essential to assess your individual needs and consult with a healthcare professional to determine the appropriate dosage of magnesium supplementation for your specific situation. They can take into account any pre-existing conditions or medications you may be taking to provide personalized recommendations.


nutrient intake

The Best Supplements to Take on a Keto Diet

Optimizing your nutrient intake is crucial when following a keto diet. Magnesium and potassium supplementation can help promote optimal electrolyte balance and prevent deficiencies that may arise from a low-carb diet. By choosing high-quality magnesium supplements, such as magnesium glycinate or magnesium citrate, you can ensure optimal absorption and efficacy. Additionally, incorporating magnesium-rich foods into your meals can further support your magnesium intake.

Enhancing Your Ketogenic Diet Journey with Magnesium

Magnesium is an essential mineral that plays a vital role in many bodily functions, making it particularly important for individuals following a keto diet. By supplementing with magnesium, you can potentially alleviate symptoms of the keto flu, such as muscle cramps and fatigue, and support overall well-being. However, it is essential to choose the right form of magnesium supplement and consult with a healthcare professional for personalized advice.

Final Thoughts on Magnesium Supplementation

Magnesium supplementation can be a valuable addition to your keto diet journey. By addressing potential deficiencies and maintaining proper electrolyte balance, you can optimize your health and well-being. However, it is essential to be mindful of dosage, choose high-quality supplements, and consult with a healthcare professional for personalized guidance. With the right approach, magnesium supplementation can enhance your ketogenic diet experience and support your overall goals. 


What makes magnesium supplements a good source of magnesium for people on a keto diet?

Magnesium supplements are considered a good source of magnesium because they provide an easy and efficient way to increase levels of magnesium, crucial for those following a low-carb ketogenic diet. Magnesium is a mineral that’s essential for blood sugar control, energy production, and muscle and nerve function, all critical aspects for individuals on a keto diet.

How much magnesium should I take while on a keto diet?

The amount of magnesium one should take while on a keto diet varies based on individual needs and dietary intake. However, people on a keto diet may require more magnesium due to increased losses through the kidneys. It’s often recommended to start with a dosage of 200-400 mg per day, but you should consult with a doctor before taking certain supplements to determine the right amount for you.

Can magnesium supplements help with the effects of the keto flu?

Yes, magnesium supplements can help mitigate the effects of the keto flu, a common experience for those transitioning to a low-carb diet. The symptoms of the keto flu include fatigue, headaches, and muscle cramps, which can result from electrolyte imbalances. Supplementing with magnesium, an important electrolyte, can help alleviate these symptoms.

What are the best keto electrolyte supplements?

The best keto electrolyte supplements typically include a blend of magnesium, sodium, and potassium to help maintain electrolyte balance, crucial for those on a ketogenic diet. Look for electrolyte supplements that specifically list magnesium citrate or magnesium glycinate as these forms are more easily absorbed by the body.

Are there any benefits of combining MCT oil with magnesium supplements on a keto diet?

Combining MCT oil with magnesium supplements can be beneficial for those on a keto diet as both support various aspects of the diet’s goals. MCT oil can help increase ketone levels and energy, while magnesium supports muscle function, sleep quality, and electrolyte balance. However, it’s essential to monitor your intake and consult with a healthcare provider to tailor the combination to your specific health needs.

What are some natural food sources that are good sources of magnesium for keto dieters?

While supplements can help ensure you’re getting enough magnesium, incorporating natural food sources into your diet is also beneficial. Good sources of magnesium that fit into a keto diet include leafy greens such as spinach and Swiss chard, seeds like pumpkin seeds, and almonds. Avocado, an essential keto food, is also a good source of magnesium.

How can I know if I’m getting enough magnesium on my keto diet?

Knowing if you’re getting enough magnesium can be tricky, as symptoms of deficiency can be general, like muscle cramps, fatigue, and irritability. Monitoring your dietary intake through food tracking apps and being aware of the magnesium content in your food and supplements can help. If you suspect you’re not getting enough magnesium, consulting with a healthcare provider is a good step to ensure you meet your nutritional needs.

Are there different types of magnesium supplements, and which one is best for the keto diet?

Yes, there are different types of magnesium supplements, including magnesium citrate, magnesium glycinate, and magnesium oxide, among others. Magnesium citrate and magnesium glycinate are often recommended for those on a keto diet as they are more easily absorbed and are less likely to cause laxative effects compared to magnesium oxide.

You May Also Like

Leave a Reply

Your email address will not be published. Required fields are marked *