Magnesium Bisglycinate, 30 Packets
Size: 30 packets
May be a fit for
- Adults seeking highly absorbable magnesium bisglycinate for muscle relaxation support
- Individuals supporting restful sleep with a gentle, non-laxative magnesium bisglycinate form
- Practitioners protocols requiring chelated magnesium bisglycinate with minimal GI sensitivity
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Thorne's Magnesium Bisglycinate delivers magnesium chelated to two glycine molecules, a form recognized for its gentle absorption and gastrointestinal tolerability compared to inorganic magnesium salts. It supports muscle relaxation, restful sleep, and normal nerve function, making it a practical option for adults seeking a well-absorbed magnesium supplement.
Why It's Worth Considering: Packaged in 30 single-serve powder packets, this format suits travel or on-the-go use, and Thorne's manufacturing standards align with practitioner-grade quality expectations.
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Our curation and trust scoring bring together manufacturing, testing, research, practitioner insight and reviews from across the web.
Our score is an editorial assessment, not a product certification or a guarantee of results.
Product details
Who it may suit
May be a fit for
- Adults seeking highly absorbable magnesium bisglycinate for muscle relaxation support
- Individuals supporting restful sleep with a gentle, non-laxative magnesium bisglycinate form
- Practitioners protocols requiring chelated magnesium bisglycinate with minimal GI sensitivity
- Those with active lifestyles using magnesium bisglycinate to support post-exercise muscle recovery
Considerations
- Severe kidney disease (impaired Mg excretion)
- Taking antibiotics — separate by 2+ hours
- Myasthenia gravis
- Already taking high-dose magnesium from another source
Compatibility & interactions
Works Well With
Take Separately From
What to expect over time
Sleep Improvement
Faster sleep onset, deeper REM
Cramp Relief
Reduced nighttime cramps and muscle tension
Mood & Calm
Lower baseline anxiety, improved stress resilience
Serum Optimization
Measurable RBC magnesium improvement
Based on clinical research on magnesium supplementation. Effects are cumulative with consistent daily use.
Compare the options
Compare Magnesium Forms
Which form is right for you?
| Feature | Glycinate | Citrate | Oxide | L-Threonate | Taurate |
|---|---|---|---|---|---|
| Bioavailability | High (chelated) | Moderate-High | Low (4-5%) | Moderate | Moderate-High |
| Best For | Sleep, anxiety, cramps | Constipation, general | Budget (low absorption) | Cognitive function | Heart health |
| GI Tolerance | Excellent | Moderate | Poor (laxative) | Good | Good |
| Laxative Effect | None | Mild–Moderate | Strong | None | None |
| Evidence | Strong | Strong | Weak | Emerging | Moderate |
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2338 product and brand ratings and mentions across 7 sources.
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Explore the source sentiment summary
Magnesium bisglycinate is widely praised for sleep improvement, high bioavailability, and mood/energy benefits with minimal complaints.
This summary includes broader brand discussion. Individual experiences are not evidence of product effectiveness.
A few useful answers.
Research & further reading
More category questions
What is the best form of magnesium to take?
Magnesium glycinate (bisglycinate chelate) is widely considered the best form for sleep, anxiety, and muscle cramps due to high bioavailability and zero laxative effect. Citrate is better for constipation. Threonate may be superior for cognitive function as it crosses the blood-brain barrier. Oxide has only 4-5% absorption and is primarily a laxative.
Does magnesium glycinate cause diarrhea?
No. Unlike magnesium citrate and oxide which draw water into the intestines (osmotic laxative effect), glycinate is chelated and absorbed through a different pathway that does not affect GI motility. It is the most GI-friendly magnesium form available.
When is the best time to take magnesium?
Take 1-2 hours before bed for sleep benefits. The glycine component promotes relaxation via GABA receptor activity. For general supplementation, any time works — glycinate does not require food for absorption.
How do I know if I am magnesium deficient?
Standard blood tests (serum magnesium) are unreliable — only 1% of body magnesium is in the blood. Signs include muscle cramps, poor sleep, anxiety, eye twitches, chocolate cravings, and headaches. Since 80%+ of adults are suboptimal, supplementation is generally recommended.
Can I take magnesium with other supplements?
Yes, but separate from zinc, calcium, and iron by 2+ hours (they compete for absorption). Magnesium pairs well with Vitamin D3, K2, and B6 taken together.
How much magnesium should I take daily?
The RDA is 310-420mg/day for adults. Most functional medicine practitioners recommend 400-600mg for therapeutic benefit. Start with the product's recommended dose and adjust based on response.
Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.