The 6 Best Magnesium Supplements Of 2023

  references
  
      Office of Dietary Supplements: "Magnesium Fact Sheet for Health Professionals"
    
      ODS: "Magnesium Fact Sheet for Consumers"
    
      Mayo Clinic: "I've heard that magnesium supplements have health benefits. Should I take one?"
    
      American Association for the Study of Liver Diseases: "The Best Magnesium Supplements"
    
      Journal of the American College of Nutrition: "Scottsdale Magnesium Study: Absorption, Cellular Uptake, and Clinical Effectiveness of a Timed-Release Magnesium Supplement in a Standard Adult Clinical Population"
    
      FDA: "FDA 101: Dietary Supplements"
    
      FDA: "Current Good Manufacturing Practices (CGMPs) for Dietary Supplements"
    
      NSF: "Dietary Supplements Claims, Labels and Regulations"
    
      Consumer Lab: "Brands Tested"
    
      USP: "USP Verified Mark"
    
      St. Luke's: "magnesium oxide"
    
      Cleveland Clinic: "Muscle Spasms"
    
      Consumer Lab: "Magnesium Supplements Review (Including Calcium, Vitamins D & K, and Boron)"
    
      Cleveland Clinic: "Does Magnesium Help You Sleep?"
    
      Thorne: "What Actually Are Those “Other Ingredients” on a Thorne Product Label?"
    
      Consumer Lab: "Inactive Ingredients / Excipients in Supplements Review Article"
    




If you’re one of the many Americans not getting enough magnesium, a supplement can help.

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Best Overall
Best Budget
Best for Sleep
Best Powder
Best Liquid
Best for Constipation
Mg for Leg Cramps?
What to Look For

When it comes to magnesium, look to food first. “Food is definitely the best way to get the necessary magnesium,” Dr. DeCaria says. Magnesium-rich foods include leafy greens, some nuts and seeds, brown rice and avocado. Your body can only absorb about 30 to 40 percent of the magnesium you take in from food, per the NIH. People who are older, have GI diseases or have type 2 diabetes may not absorb magnesium as well or might lose some via urine. If you cannot or do not eat foods with magnesium or have a shortfall for other reasons, supplements can help. The best-absorbed magnesium forms are citrate and glycinate, Shapiro says. Dissolvable forms of magnesium — such as effervescent tablets — may absorb better, Werkheiser says.

Magnesium-rich foods include leafy greens, some nuts and seeds, brown rice and avocado. Your body can only absorb about 30 to 40 percent of the magnesium you take in from food, per the NIH. People who are older, have GI diseases or have type 2 diabetes may not absorb magnesium as well or might lose some via urine.

If you cannot or do not eat foods with magnesium or have a shortfall for other reasons, supplements can help. The best-absorbed magnesium forms are citrate and glycinate, Shapiro says.

Dissolvable forms of magnesium — such as effervescent tablets — may absorb better, Werkheiser says.

If you’re being treated for a medical condition or are prescribed medication, check with your doctor before adding a magnesium supplement to your routine.

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This powdered form of magnesium is made with an easily absorbed form of the mineral.

Image Credit: Thorne

This budget-friendly option will serve you well if you’re turning to magnesium for digestive woes.

Image Credit: Nature Made

Designs for Health is a well-regarded brand, and this option might help you get more zzzs.

Image Credit: Designs for Health

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This vegetarian powder supplement is easily absorbed.

Image Credit: Klaire Labs

‌Buy it:‌ Klaire.com; Price: $44.99 ($4.25 per ounce)

This liquid form of magnesium comes recommended by two RDs.

Image Credit: NOW Foods

If constipation is causing you problems, this supplement with magnesium citrate can help ease your issues.

Image Credit: Pure Encapsulations

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      Office of Dietary Supplements: "Magnesium Fact Sheet for Health Professionals"
    
      ODS: "Magnesium Fact Sheet for Consumers"
    
      Mayo Clinic: "I've heard that magnesium supplements have health benefits. Should I take one?"
    
      American Association for the Study of Liver Diseases: "The Best Magnesium Supplements"
    
      Journal of the American College of Nutrition: "Scottsdale Magnesium Study: Absorption, Cellular Uptake, and Clinical Effectiveness of a Timed-Release Magnesium Supplement in a Standard Adult Clinical Population"
    
      FDA: "FDA 101: Dietary Supplements"
    
      FDA: "Current Good Manufacturing Practices (CGMPs) for Dietary Supplements"
    
      NSF: "Dietary Supplements Claims, Labels and Regulations"
    
      Consumer Lab: "Brands Tested"
    
      USP: "USP Verified Mark"
    
      St. Luke's: "magnesium oxide"
    
      Cleveland Clinic: "Muscle Spasms"
    
      Consumer Lab: "Magnesium Supplements Review (Including Calcium, Vitamins D & K, and Boron)"
    
      Cleveland Clinic: "Does Magnesium Help You Sleep?"
    
      Thorne: "What Actually Are Those “Other Ingredients” on a Thorne Product Label?"
    
      Consumer Lab: "Inactive Ingredients / Excipients in Supplements Review Article"