
What is the Best Magnesium Dose & Form? (14 Studies Later)
Brad Stanfield
Jun 15, 2025
Mindsip insights from this episode:
Choose magnesium glycinate and taurate for optimal absorption
The speaker's favorite forms are magnesium glycinate and magnesium taurate because they are well-absorbed and bound to beneficial amino acids.
Question magnesium benefits and rely on causation evidence
Many of magnesium's claimed benefits, like reducing heart disease risk, come from observational studies that show correlation, not direct causation.
Use magnesium supplements to enhance sleep quality
Randomized controlled trials show magnesium supplements can reduce the time it takes to fall asleep by about 17 minutes in older adults with poor sleep.
Rethink magnesium blood tests for accurate status assessment
Less than 1% of your body's total magnesium is in your blood, making blood tests a poor indicator of your actual magnesium status.
Ensure adequate magnesium intake despite healthy diets
Even with a good diet, it can be challenging to get enough magnesium because of declining nutrient levels in modern crops.
Beware misleading supplement labels for accurate magnesium intake
Supplement labels often list the total compound weight, such as magnesium oxide, instead of the actual elemental magnesium you are getting.
Question magnesium L-threonate claims for brain health
Despite its popularity for brain health, human studies on magnesium L-threonate show conflicting results and no clinically meaningful cognitive improvement in dementia patients.
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