The Role of Magnesium in Stress, Sleep and Recovery

Magnesium is an essential mineral and electrolyte that aids in keeping your body healthy and balanced. Unfortunately, most people do not consume enough magnesium in their diet to maintain the body’s daily needs. Magnesium is often seen as an electrolyte in the body, but it does much more than that. Magnesium plays a crucial role in managing stress, muscle recovery, sleep, and many other important functions. When magnesium levels are low in the body, it can lead to a range of symptoms such as:

• Fatigue
• Muscle cramps 
• Loss of appetite
• Constipation 
• Migraine 
• Bone or joint pain 
• Type 2 diabetes

What is Magnesium?

We have all heard of sodium and potassium as being essential electrolytes in the body. Magnesium is another essential electrolyte responsible for various functions in the body. Magnesium aids in over 300 functions and enzyme reactions in the body. Without the necessary amount of magnesium, these functions may be hindered. Some of these functions include: 

• Nerve and muscle function 
• Sleep 
• Muscle recovery
• Immune health 
• Electrolyte balance 
• Energy production 
• Bone health 
• Blood pressure regulation
• Protein synthesis 
• Supports heart function 
• Required for vitamin D activation 

Role of Magnesium in Sleep

The role of magnesium in sleep health is arguably one of the most known benefits of magnesium. Magnesium plays a role in the regulation of neurotransmitters sent between the brain and body. Magnesium helps to shift the balance of neurotransmitters that help you sleep and help you wake up. Additionally, magnesium plays a role in the production of a hormone known as melatonin, which also helps to regulate the body’s circadian rhythm (sleep-wake cycle). Magnesium helps to relax the body, slowing down the nervous system, and regulating the hormones that are responsible for a good night’s rest. When magnesium is low, you may find yourself struggling to fall asleep, or waking up throughout the night. The supplement form of magnesium recommended for aiding in sleep is Magnesium L-Threonate. 

How Magnesium Impacts Recovery

In addition to its various other roles, magnesium aids in glucose metabolism. Glucose metabolism is how your body breaks down glucose (sugar) and stores it for energy in the body.  When magnesium is low, glucose uptake in the blood may be impaired. This may mean that the muscles will not store enough useful energy for exercise. Studies show that without enough stored glucose in the muscles, the body with produce more lactic acid, which contributes to muscle soreness. Magnesium also aids in a process known as protein synthesis. This is the process in which your body rebuilds muscle tissue after exercise, when muscles have been torn down. Additionally, magnesium aids in blood circulation, which is essential for flushing out lactic acid. When magnesium is too low, your body may struggle to accomplish functions such as rebuilding muscle, clearing out waste, and replenishing glucose stores, all of which are crucial for exercise recovery. 

Role of Magnesium in Stress Management

Magnesium plays a role in nervous system function. It helps to manage the activity of various neurotransmitters in the brain. The nervous system is responsible for the production and excretion of the stress hormone known as cortisol. When you are under pressure for a duration of time, your body may have an elevated level of cortisol. Magnesium helps to regulate the release of cortisol, aiding in the stress responses. However, when magnesium is low in the body, you may have a harder time managing your stress levels. Studies have actually shown that stress can lower magnesium levels, if adequate intake is lacking. Additionally, magnesium aids in the production of a neurotransmitter known as GABA, which is responsible for promoting relaxation and promoting anxiety. 

Where Can You Get Magnesium in Your Diet?

Magnesium is naturally occurring in many foods, however it can also be found being added to foods, as a supplement, and in some medications. Some magnesium supplements that may be beneficial for sleep, stress and recovery include: Magnesium L-Threonate, Magnesium Malate and Magnesium Glycinate. Some foods that you can find high sources of magnesium include: 

• Avocado 
• Dark chocolate 
• Medjool dates 
• Bananas 
• Spinach 
• Nuts 
• Black beans 
• Yogurt 
• Whole grains

References: 

Office of Dietary Supplements, National Institutes of Health. (2022, June 2). Magnesium: Fact Sheet for Health Professionals. Retrieved from https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/ Office of Dietary Supplements

Pickering, G., Mazur, A., Trousselard, M., Bienkowski, P., Yaltsewa, N., Amessou, M., Noah, L., & Pouteau, E. (2020). Magnesium status and stress: The vicious circle concept revisited. Nutrients, 12(12), Article 3672. https://doi.org/10.3390/nu12123672

Tarsitano, M. G., Quinzi, F., Folino, K., Greco, F., Oranges, F. P., Cerulli, C., & Emerenziani, G. P. (2024). Effects of magnesium supplementation on muscle soreness in different types of physical activities: A systematic review. Journal of Translational Medicine, 22, Article 629. https://doi.org/10.1186/s12967-024-05434-x