Compound Profile
Magnesium Glycinate
Magnesium glycinate may fit sleep quality or muscle tension goals when magnesium intake is low or tolerability matters.
Last reviewed: •6 human studies cited
C PreliminaryMonograph visual
Magnesium Glycinate
The Hippie Scientist illustration
Best for
- Nightly relaxation and sleep support
- People who get loose stools from other forms
- A gentle evening base
Not ideal for
- A same-night sedative
- Severe insomnia alone
- Evidence confidence
- Moderate — the best-tolerated form for nightly use
- Expected onset
- Days to a couple of weeks
- Give it
- 2–4 weeks
Safety: Very well tolerated; still use caution with kidney impairment.
On the evidence: Glycinate is favored for tolerability; head-to-head sleep data across forms is limited.
How strong is the evidence?Moderate
Why not higher
- Little head-to-head trial data pits glycinate against other forms
- Most magnesium sleep evidence is not form-specific
- Effects are modest, not sedative-strength
Why not lower
- Magnesium repletion has real, well-understood benefits
- Glycinate is reliably well absorbed and gentle on the gut
- Very favorable safety and cost
Practical takeaway: The most sensible default form for a nightly base — gentle and easy to tolerate. Judge it over a couple of weeks rather than in one night.
Where to go next — guides & comparisons
Start here — new to this? Begin with Best magnesium for sleep
Compare before choosing
- Magnesium forms compared — if weighing glycinate against other forms
- Magnesium vs. melatonin — if choosing your primary sleep aid
Continue reading
- If you want help sleeping → Sleep guides
- If you want help with anxiety or stress → Anxiety & stress guides
- If you want to browse more compounds → All compounds
Quick Stats
Evidence level
Preliminary evidence
Typical onset
Varies by prep
Safety rating
Use extra caution: Use caution
Best for
GABA NMDA, NMDA Receptor, GABAergic Signaling
Safety & Cautions
Safety evidence
magnesium supplements can cause dose-related gastrointestinal effects
Who should avoid this?
No specific evidence-backed contraindication is documented for this profile. This is not the same as established safety.
Severe renal impairment increases hypermagnesemia risk, and magnesium can reduce absorption of some oral antibiotics and bisphosphonates; glycinate-specific comparative safety evidence remains limited.
Talk to a healthcare professional if: your formulation, dose, or health context differs from the evidence summarized here.
Evidence Summary
C PreliminaryEvidence lens
Useful signal, but study design, dose, and population still matter.
Human clinical evidence: Present in source signals
Mechanistic / preclinical: Mechanism mapped — Electrolyte Repletion · Neurotransmitter Modulation · Neuroprotective Activity
Research maturity: More interpretable — main contexts: GABA NMDA · NMDA Receptor · GABAergic Signaling
Safety boundary: Safety note available — Safety evidence: magnesium supplements can cause dose related gastrointestinal effects.
This profile cites 6 human studies.
Confidence estimate based on the design quality and consistency of published clinical trials.
Magnesium Glycinate has a preliminary evidence evidence rating.
How evidence grades work
Each grade reflects the strength and consistency of published human evidence — not marketing claims. Grades are based on study count, design quality, effect size, consistency, and recency.
Strong
Multiple RCTs, consistent direction, adequate effect size
Moderate
Some RCTs or consistent observational data in humans
Preliminary / Mixed
Animal or in-vitro only, or conflicting human data
Traditional / Theoretical
Traditional use only; no controlled human trials
Clinical Study Summaries (6)Cited studies informing this profile. RCTs and reviews shown first.
| Study | Type | Sample | Source |
|---|---|---|---|
(2025) | Randomized controlled trial | — | DOI → |
(2024) | Systematic review | — | DOI → |
(2025) | Mechanistic | — | DOI → |
An Update on Hypomagnesemia and Hypermagnesemia (2023) | — | — | DOI → |
Electrolyte disorders with platinum-based chemotherapy: mechanisms, manifestations and management (2017) | — | — | DOI → |
Magnesium Oxide in Constipation (2021) | — | — | DOI → |
How Magnesium Glycinate Works
Simplified mechanism pathway based on preclinical and pharmacological evidence. Does not confirm clinical efficacy.
Mechanism Pathway — How Magnesium Glycinate Works
Mechanisms & Biological Pathways▼
Preclinical mechanism details from scientific profiles; these represent plausible pathways but do not guarantee clinical efficacy in humans.
Condition guides
Also in this cluster
Sleep & Recovery guide →Continue exploring
Related research paths
Compare & Sourcing
Compare side-by-side tradeoffs or verify active marker guidelines.
Related alternatives
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Tradeoffs
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⚠️ Sourcing Options Disabled for Safety
Direct product recommendations and affiliate links are suppressed for this compound due to its high caution or needs-review safety classification.
Evaluate the safety checks, contraindications, and potential medication interactions below under clinician supervision before use.
Safety first · Harm reduction
This information is educational and not medical advice. Start low, avoid risky combinations, and consult a licensed clinician before making health decisions—especially if you use medications, have diagnosed conditions, or are pregnant/breastfeeding.
Learn how we evaluate confidence, safety, and intensity on the methodology page.
Editorial Review
Checked against primary sources, cited evidence, and contraindication language before publication. Evidence claims, safety language, and affiliate modules are reviewed independently. Not personal medical advice.
Compound profile context
How to interpret Magnesium Glycinate
Magnesium Glycinate dosage by use case, onset and duration, safety limits, and interactions for gaba nmda, graded against research. Mechanistic Evidence… Use this compound profile to understand mechanism, evidence quality, and practical safety context before comparing products or building a stack. A biochemical pathway connection can be useful for discovery, but it is not the same as proven benefit in humans.
When reviewing Magnesium Glycinate, separate the active molecule from the product category around it. Dose form, absorption, extract standardization, medication interactions, and individual sensitivity can change the real-world risk-benefit picture.
For supplement planning, avoid combining multiple compounds with overlapping sedating, stimulating, serotonergic, blood-pressure, anticoagulant, or liver-metabolism effects unless a qualified clinician has reviewed the context.