Sports Research
Magnesium L-Threonate

89/100
SUPPIE SCORE
78/100
EFFICACY
High
SAFETY
96/100
CLEANLINESS
What Does Magnesium L-Threonate Do?
Sports Research Magnesium L-Threonate provides the clinically studied 2,000 mg Magtein dose tailored for cognitive function and sleep support.
How does magnesium L-threonate differ from magnesium glycinate or citrate?
What is the best time of day to take this supplement for sleep support?
Can I take this alongside other magnesium-containing supplements?
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What Are the Benefits of Magnesium L-Threonate?
Based on proven scientific research
Cognitive FunctionStrong
Sleep SupportStrong
Brain HealthModerate
Good For:
What Are the Side Effects of Sports Research Magnesium L-Threonate?
Always consult your health practitioner if in doubt.
RiskLow Risk
Overview
•Supplies 144 mg of elemental magnesium per 3-capsule serving, well below the established supplemental upper limit of 350 mg per day.
•Mild gastrointestinal symptoms such as loose stools or stomach upset can occur, though magnesium L-threonate is generally gentler on the gut than osmotic forms like magnesium oxide.
•Potential drowsiness or relaxation may occur, so some users prefer taking the full dose or a portion of it in the evening.
•Magnesium can bind to and decrease the absorption of certain oral medications, including tetracycline/quinolone antibiotics and bisphosphonates, requiring spaced dosing.
•Individuals with impaired renal function should consult a healthcare provider before use, as excess magnesium is eliminated primarily by the kidneys.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Veggie capsule (hypromellose)
Low RiskRice flour
Low RiskRice hulls
Low RiskWhat Are the Ingredients in Sports Research Magnesium L-Threonate?
Magnesium (as Magtein magnesium L-threonate)
144mg
Magtein magnesium L-threonate
2000mg
Veggie capsule (hypromellose)
rice flour
rice hulls
Dosage & Bioavailability
How the active doses and forms in Magnesium L-Threonate compare to the research.
•Magnesium (as Magtein magnesium L-threonate) 144 mg a day, within the 100-400 mg/day studied range.
•Magnesium (as Magtein magnesium L-threonate) magtein magnesium l threonate is a preferred form.
Sources & References
No sources available
Frequently Asked Questions
Common questions about Sports Research Magnesium L-Threonate