Is magnesium useful


Magnesium is indeed considered to be useful, especially in the context of sleep and neurological health, as discussed by . Benefits of different forms of magnesium include:

  • Magnesium for sleep: Magnesium has been described as increasing the depth of sleep and reducing the time it takes to fall asleep. Specifically, magnesium threonate is noted for being more bioavailable and preferentially shuttled to the brain, potentially aiding in the transition to sleep and enhancing sleep depth by engaging the GABA pathway 1.
  • Magnesium and brain health: There is some indication that magnesium threonate could be neuroprotective, based on mostly animal studies, although more research is required 2.
  • Different forms for different uses: Magnesium threonate and bisglycinate are favored for sleep and potential cognitive benefits, while forms like magnesium malate are directed more towards muscle repair, and magnesium citrate has a laxative effect 3.

    Magnesium for Sleep

    Andrew discusses the benefits of magnesium for sleep, specifically magnesium threonate, which is preferentially shuttled to the brain and engages the GABA pathway to help with falling asleep. He also explores different forms of magnesium and their effects on the body, cautioning listeners to approach new supplements with care.

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It is important to be aware that not everyone may need to supplement with magnesium and to consult with a healthcare provider before starting new supplements. Additionally, excessive or inappropriate supplementation can have adverse effects, so caution is warranted 3.


How do you know if you have an electrolyte deficiency


Symptoms of an electrolyte deficiency can vary depending on which electrolyte is low, but common signs include:

  • Muscle cramps or weakness
  • Fatigue and lethargy
  • Nausea or vomiting
  • Confusion or difficulty concentrating
  • Headaches
  • Seizures (in severe cases)
  • Heart palpitations

explains that electrolytes like sodium, magnesium, and potassium are essential for numerous bodily functions, including the firing of neurons, hence affecting everything from muscle function to brain activity 1. When electrolyte balance is disrupted, perhaps due to activities like heavy exercise or alcohol consumption which can cause dehydration and electrolyte loss, it can lead to symptoms impacting brain function, organ function, and physical health 2.

If you suspect you have an electrolyte imbalance, it's important to seek guidance from a healthcare professional who can provide a proper diagnosis and treatment plan.

Sleep and Electrolytes

Andrew discusses the importance of body temperature in relation to sleep and how Eight Sleep's mattress cover can help regulate it. He also talks about the role of electrolytes in the body and how LMNT's electrolyte drink can help with proper neuron function. Listeners can use the code "huberman" to save $150 on Eight Sleep's Pod Pro Cover and claim a free LMNT Sample Pack with their first purchase at

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