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Magnesium

What it is

Magnesium is an essential mineral involved in energy production (ATP), nerve and muscle function, sleep regulation and over 300 enzyme reactions. Many people don’t meet optimal intake from diet alone.

Key benefits

  • Sleep & relaxation: Can help calm the nervous system and reduce nighttime restlessness.
  • Muscle & nerve function: Supports normal muscle contraction and helps with cramps/twitches.
  • Energy metabolism: Involved in turning food into cellular energy.
  • Stress support: Helps regulate the body’s stress response.
  • Heart health: Contributes to normal heart rhythm and blood pressure.

How it works (in simple terms)

NMN → converts into NAD⁺ inside cells → fuels mitochondria → helps energy, repair, and resilience.

Forms & when to use them

  • Magnesium Glycinate (bisglycinate): Gentle on the stomach; great for sleep, anxiety, general use.
  • Magnesium Citrate: Well absorbed; useful if you’re prone to occasional constipation.
  • Magnesium L-Threonate: Designed to cross the blood–brain barrier; often chosen for focus/brain support.
  • Magnesium Malate: Paired with malic acid; popular for daytime energy/muscle comfort.
  • Magnesium Taurate: Often chosen for heart rhythm/blood pressure support.
  • Magnesium Oxide: High elemental content but lower absorption; more likely to cause laxative effects.
  • Topicals (oils/sprays/baths): Comforting for some; evidence for raising body levels is limited.

How to take (dosage & timing)

  • Typical supplemental range: 200–400 mg elemental magnesium per day, often split (e.g., 200 mg AM + 200 mg PM).
  • Timing tips:
    • For sleep/calm → take glycinate/taurate in the evening.
    • For energy/muscle → malate or citrate can be taken earlier in the day.
    • Take with food if you get stomach upset.
  • Note: Higher doses may cause loose stools—reduce dose or switch form if needed.

Who should not take it / caution

  • Kidney disease: Speak to your clinician before supplementing.
  • Medications: Magnesium can bind some drugs. Separate by time:
    • Antibiotics (tetracyclines/fluoroquinolones): take magnesium 2–6 hours apart.
    • Levothyroxine, bisphosphonates, iron: take magnesium at least 4 hours apart.
  • Pregnancy/breastfeeding or medical conditions: check with a healthcare professional.

Smart stacks (examples)

  • Sleep support: Magnesium glycinate + L-theanine + apigenin.
  • Mitochondrial/energy: Magnesium malate + NMN + TMG + ubiquinol (CoQ10).
  • Stress & calm: Magnesium glycinate + ashwagandha.
  • Muscle cramps: Magnesium citrate or glycinate + electrolytes (sodium/potassium).

Interactions & tips

  • Don’t take at the same time as high-dose zinc/iron—they can compete for absorption.
  • Look for the elemental magnesium amount on the label (not just the compound weight).
  • Choose brands with third-party testing/COAs and clearly stated forms and dosages.

Frequently Asked Questions

Some people notice calmer sleep within a few nights; muscle benefits can take 1–2 weeks of consistent use.

Yes—most people use it daily. Adjust the dose/form if you get loose stools.

Pumpkin seeds, almonds, cashews, leafy greens, beans, whole grains, dark chocolate.

Education only. This page isn’t medical advice. Always follow your product label and speak to a healthcare professional if unsure.