The 4 Best Magnesium Glycinate Supplements of 2025

Dietitian-reviewed picks for better sleep, muscle relaxation, and overall wellness

“After reviewing dozens of magnesium supplements and consulting with nutrition experts, we’ve identified the top magnesium glycinate products that offer superior absorption and minimal side effects.”

Well Natural Health Research Team

Quick Comparison: Top 4 Magnesium Glycinate Supplements

Product Form Mg per Serving Price Range Best For Rating Buy Now
NOW Foods Magnesium Glycinate 180 Tablets
NOW Foods Magnesium Glycinate
180 Tablets
Tablets 200mg $19-25 Budget-Friendly ★★★★☆
4.3/5
Buy Now
Thorne Magnesium Bisglycinate Powder
Thorne Magnesium Bisglycinate
90 Servings Powder
Powder 200mg $40-45 Top Rated ★★★★★
4.8/5
Buy Now
Doctor's Best High Absorption Magnesium
Doctor’s Best High Absorption
120 Tablets
Tablets 100mg $15-20 Chelated Form ★★★★☆
4.4/5
Buy Now
Pure Encapsulations Magnesium Glycinate
Pure Encapsulations Magnesium
Professional Grade Capsules
Capsules 125mg $40-45 Premium Quality ★★★★☆
4.5/5
Buy Now

Our Top Picks

Detailed Product Reviews

BEST OVERALL

Thorne Magnesium Bisglycinate Powder

Thorne Magnesium Bisglycinate Powder

Key Features:

  • NSF Certified for Sport
  • Bisglycinate form (superior absorption)
  • Powder form mixes easily
  • No artificial flavors or colors
  • Sweetened with monk fruit
$43.00
90 servings
($0.48/serving)

Why We Chose This:

Thorne consistently ranks as the top choice among healthcare practitioners. This magnesium bisglycinate powder offers superior absorption compared to other forms, and the NSF certification ensures pharmaceutical-grade quality.

✓ Pros
  • Excellent absorption
  • Gentle on stomach
  • Easy to mix
  • Third-party tested
  • Pleasant taste
✗ Cons
  • Higher price point
  • Powder may not suit everyone
  • Requires mixing
🩺 Health Benefits of Magnesium Glycinate:
  • Sleep Quality: Studies show improved sleep onset and duration
  • Anxiety Relief: Clinical trials demonstrate reduced anxiety symptoms
  • Muscle Relaxation: Alleviates cramps, tension, and restless legs
  • Heart Health: Supports healthy blood pressure and cardiac rhythm
  • Bone Density: Research indicates improved calcium absorption
  • Migraine Prevention: Multiple studies confirm reduced frequency
⭐ Customer Review Highlights:

“This is hands down the best magnesium I’ve ever tried. Mixes easily, tastes great, and I notice a significant improvement in my sleep quality within just a few days.” – Verified Amazon Customer

BEST VALUE

NOW Foods Magnesium Glycinate

NOW Foods Magnesium Glycinate 180 Tablets

Key Features:

  • TRAACS chelated form
  • 180 tablets (90 servings)
  • GMP quality assured
  • Third-party tested
  • Excellent value for money
$19.04
180 tablets
($0.21/serving)

Why We Chose This:

NOW Foods offers exceptional value without compromising quality. Their magnesium glycinate uses the same TRAACS chelation technology as premium brands but at a fraction of the cost.

✓ Pros
  • Excellent price point
  • Quality ingredients
  • Easy to swallow tablets
  • Well-established brand
  • Good bioavailability
✗ Cons
  • Larger tablets
  • Less specialized than premium brands
  • Basic packaging
🩺 Health Benefits of Magnesium Glycinate:
  • Digestive Health: Gentle form reduces GI side effects
  • Energy Production: Essential for ATP synthesis and metabolism
  • Stress Management: Helps regulate cortisol levels naturally
  • Blood Sugar: Studies show improved insulin sensitivity
  • Exercise Recovery: Reduces muscle soreness post-workout
  • PMS Relief: Clinical evidence for symptom reduction
⭐ Customer Review Highlights:

“Great quality magnesium at an unbeatable price. I’ve been using this for months and it’s helped tremendously with my sleep and muscle cramps.” – Verified Amazon Customer

BEST ABSORPTION

Doctor’s Best High Absorption Magnesium

Doctor's Best High Absorption Magnesium

Key Features:

  • 100% chelated TRAACS
  • Glycinate + Lysinate forms
  • Not buffered
  • Non-GMO, vegan, gluten-free
  • 120 tablets (120 servings)
$18.19
120 tablets
($0.15/serving)

Why We Chose This:

Doctor’s Best uses the patented TRAACS chelation process, which creates the most bioavailable form of magnesium. The combination of glycinate and lysinate provides superior absorption.

✓ Pros
  • Maximum absorption
  • Scientifically studied
  • Gentle on stomach
  • Affordable
  • One tablet daily
✗ Cons
  • Lower mg per serving
  • May need multiple tablets
  • Basic packaging
🩺 Health Benefits of Magnesium Glycinate:
  • Bioavailability: TRAACS chelation provides superior absorption
  • Cognitive Function: Supports memory and mental clarity
  • Cardiovascular Health: Helps maintain healthy blood vessels
  • Inflammation: Research shows anti-inflammatory effects
  • Mood Support: Studies link magnesium to serotonin production
  • Fibromyalgia: Clinical trials show symptom improvement
⭐ Customer Review Highlights:

“I’ve tried many magnesium supplements, but this one is the most effective. No digestive issues and I can really feel the difference in my energy levels.” – Verified Amazon Customer

PREMIUM QUALITY

Pure Encapsulations Magnesium Glycinate

Pure Encapsulations Magnesium Glycinate

Key Features:

  • Highly bioavailable glycinate form
  • 180 vegetarian capsules
  • Hypoallergenic formulation
  • Third-party tested for purity
  • No artificial additives or fillers
$44.60
180 capsules
($0.50/serving)

Why We Chose This:

Pure Encapsulations is renowned for their hypoallergenic, research-based formulations and third-party testing. Their magnesium glycinate is highly bioavailable and gentle on the stomach, made with premium ingredients and no unnecessary additives.

✓ Pros
  • Hypoallergenic formulation
  • High bioavailability
  • Third-party tested
  • No unnecessary additives
  • Professional-grade quality
✗ Cons
  • Premium pricing
  • Only available through select retailers
  • Multiple capsules per serving
🩺 Health Benefits of Magnesium Glycinate:
  • Chronic Fatigue: Studies show improvement in energy levels
  • Osteoporosis Prevention: Research supports bone health benefits
  • Diabetes Management: Clinical evidence for glucose control
  • Depression Support: Multiple studies link magnesium to mood
  • ADHD Symptoms: Research shows potential for focus improvement
  • Pregnancy Health: Safe form for expecting mothers
⭐ Customer Review Highlights:

“Pure Encapsulations products are always top quality. This magnesium glycinate is no exception – pure, effective, and gentle on my system.” – Verified Amazon Customer

Expert Recommendations

🎯 Who Should Take Magnesium Glycinate?

  • People with sleep issues: Magnesium glycinate may help improve sleep quality
  • Athletes and active individuals: Supports muscle recovery and reduces cramps
  • Those with digestive sensitivities: Glycinate form is gentler on the stomach
  • Individuals with anxiety: May help promote calmness and relaxation
  • People with magnesium deficiency: Offers superior absorption compared to other forms

💡 Pro Tip:

Take magnesium glycinate 30-60 minutes before bedtime for optimal sleep benefits. Start with a lower dose and gradually increase to assess tolerance.

⚠️ Important Note:

Always consult with your healthcare provider before starting any new supplement, especially if you have medical conditions or take medications.

The Bottom Line

Magnesium glycinate is one of the most bioavailable and well-tolerated forms of magnesium available. All four products we’ve reviewed offer excellent quality, but your choice depends on your specific needs and budget.

Choose Thorne if:

You want the highest quality with NSF certification and don’t mind paying premium prices

Choose NOW Foods if:

You want excellent quality at an affordable price with good bioavailability

Choose Doctor’s Best if:

You prioritize maximum absorption and scientific backing with chelated forms

Choose Pure Encapsulations if:

You need hypoallergenic, additive-free supplements with professional-grade quality

Remember: The best magnesium supplement is the one you’ll take consistently. Start with any of these high-quality options and adjust based on your body’s response.

Frequently Asked Questions

What’s the difference between magnesium glycinate and other forms?

Magnesium glycinate is chelated with the amino acid glycine, which improves absorption and reduces digestive side effects compared to forms like magnesium oxide or citrate.

When is the best time to take magnesium glycinate?

Most people take it 30-60 minutes before bedtime to support sleep. However, it can be taken any time of day with or without food.

How much magnesium glycinate should I take?

The recommended dosage is typically 200-400mg daily, but start with the lower end and adjust based on your body’s response. Consult your healthcare provider for personalized advice.

Are there any side effects?

Magnesium glycinate is generally well-tolerated. Some people may experience mild digestive upset if taking too much. Start with a smaller dose to assess tolerance.

Important Disclaimers

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Medical Disclaimer: This content is for informational purposes only and is not intended as medical advice. The information provided should not be used for diagnosing or treating a health problem or disease. Always consult with your healthcare provider before starting any new supplement regimen.

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Product Information: Prices and availability are accurate as of the time of publication and may change. Please check Amazon for the most current information. Product images and descriptions are provided by Amazon and manufacturers.

Health Claims: The statements regarding these products have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary.