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Magnesium L-Threonate

Mineral
B
Grade B
💊 1000-2000 mg threonate (144-288 mg elemental)🎯 4 primary uses🔗 3 synergies⚠️ Review warnings

Overview

Patented form (Magtein) designed to cross blood-brain barrier. Specifically for cognitive enhancement and brain magnesium.

Primary Uses
Cognitive functionMemory supportBrain magnesiumNeuroprotection

Frequently Asked About Magnesium L-Threonate

How much Magnesium L-Threonate should I take?
The typical effective range is 1000-2000 mg threonate (144-288 mg elemental). Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Magnesium L-Threonate?
Divided, some at bedtime. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Magnesium L-Threonate with food?
Optional.
Does Magnesium L-Threonate interact with medications?
Yes — known interactions include Same as other Mg. If you take any prescription medication, talk to your doctor or pharmacist before starting Magnesium L-Threonate.
What does Magnesium L-Threonate pair well with?
Magnesium L-Threonate stacks well with Lion's mane, Bacopa, and Glycinate for different benefits — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Magnesium L-Threonate?
Magnesium L-Threonate should be avoided or used with caution by people with Severe kidney disease. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Magnesium L-Threonate?
Most people tolerate Magnesium L-Threonate well. The most commonly reported side effects are Headache initially and Drowsiness. Side effects are usually dose-dependent — lowering the dose often resolves them.

Dosage

Typical range
1000-2000 mg threonate (144-288 mg elemental)
Timing
Divided, some at bedtime
With food
Optional
Duration

Benefits take 4-6 weeks

Special Populations

Cognitive concerns

Research & Studies

Search the literature now

We haven’t curated landmark studies for Magnesium L-Threonateyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.

Browse all curated studies →

Mechanism of Action

  • Threonate enables BBB crossing
  • Increases brain Mg levels
  • Enhances synaptic plasticity

Evidence Quality

Evidence Grade B

Unique brain penetration

Safety & Contraindications

Serious Warnings
  • Kidney cautions same as other Mg
Contraindications
  • Severe kidney disease
Common Side Effects
  • Headache initially
  • Drowsiness
Pregnancy & Breastfeeding

Limited data

Liver & Kidney Notes

Caution kidney disease

Interactions

💊 Medications
  • Same as other Mg
🧪 Supplements
  • Works with nootropics
🍽️ Food & Alcohol
  • No interactions

Stacking & Synergies

Pairs Well With
Lion's mane Bacopa Glycinate for different benefits
Avoid Combining With
May not need other Mg forms
Best Goal Synergies
Cognitive enhancementMemory

Buying Guide

What to Look For
  • Magtein brand
Standardization Markers
Magtein trademark
Adulteration risk
Low
Practical Notes
  • Lower elemental Mg per serving
  • Specifically for brain, not general Mg
Tags
mineralnootropicbrain healthmemory

Related Guides

In-depth guides covering Magnesium L-Threonate — protocols, comparisons, and use cases.

More in Mineral

Last reviewed: June 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, June). Magnesium L-Threonate — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/magnesium-threonate

Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.