- / CL Answers
- / Do magnesium supplements, like Magtein, help memory or protect against Alzheimer's disease?
Our Members Asked:
Do magnesium supplements, like Magtein, help memory or protect against Alzheimer's disease?
Medically reviewed and edited by Tod Cooperman, M.D.
Answer:Magnesium plays an important role in brain cell function. Adequate intake of magnesium (from the diet and/or supplements) may optimize cognitive function and reduce the risk of developing dementia, as suggested by several studies. However, getting too much magnesium is not beneficial, and no form of magnesium has been proven to be better than others at crossing the blood-brain barrier to enter brain — although some forms of magnesium are better absorbed than others from the gut.
For more details, including results of studies with magnesium L-threonate (sold as Magtein and in the product Clarimem), see the Dementia and cognition section of the Magnesium Supplements Review.
Join today to unlock all member benefits including full access to all CL Answers and over 1,300 reviews.Join Now
Already a member? Sign In Here.
Join now at www.consumerlab.com/join/
Related CL Answers (21)
Does Qualia Mind boost memory and mental function and is it worth cost?
Learn about the ingredients in Qualia Mind, whether or not we think the formula works and is safe, and if we think it's worth the cost.
Does Neuriva improve memory or cognitive function?
Find out about Neuriva, its ingredients, and the evidence for or against it for memory and cognitive function.
Is magnesium citrate safe? I heard that it might cause damage to the esophagus.
Find out if magnesium citrate is safe to use or if it causes damage to the esophagus.
Do lion's mane supplements improve memory or cognitive function in older adults?
Lion's mane has been studied for its effects on cognitive function and memory, but its effects are still unclear.
Can magnesium supplements reduce heart palpitations or PVCs?
Having low blood levels of magnesium has been associated with abnormal heart rhythms known as PVCs (premature ventricular complexes). Find out if taking magnesium supplements can help.
How much magnesium do I need and how much magnesium from supplements is too much?
Find out how much magnesium you should be getting on a daily basis, signs of magnesium deficiency, and how much magnesium is too much, particularly from magnesium supplements and laxatives containing magnesium. Find out the side effects and potential adverse effects of too much magnesium.
Is it true that magnesium bisglycinate from BioSchwartz is less likely to cause a laxative effect than other forms of magnesium?
Find out if the Magnesium Bisglycinate from BioSchwartz is better than other forms of magnesium and how much magnesium this product contains. ConsumerLab.com's answer explains.
Does Alpha Brain really improve memory, focus and cognition?
Find out if Alpha Brain really improves memory, focus and cognition. See the clinical evidence and get details about Alpha Brain ingredients, as well as potential side effects and drug interactions. ConsumerLab.com's answer explains.
I'm at risk for both macular degeneration and Alzheimer's disease. I've read that more EPA than DHA is good for macular degeneration, but the reverse is true for Alzheimer's. What do you recommend?
Find out if taking fish oil supplements or eating fish can help for macular degeneration and Alzheimer's disease. ConsumerLab.com's answer explains.
Does magnesium cause diarrhea? Are some forms less likely to cause loose stools than others?
Could your magnesium supplement be causing diarrhea? Find out why the dose of magnesium in your supplement matters, and which forms of magnesium are less likely to cause diarrhea ConsumerLab.com's answer explains.
What are the side effects of magnesium supplements?
Info on magnesium supplement side effects, such as stomach upset, nausea and diarrhea. Learn about magnesium dosage, safety and drug interactions. ConsumerLab.com answer explains.
Do brain games and apps really work and improve memory?
Find out if brain training games & apps, like Lumosity & BrainHQ, really work to train the mind and improve memory. ConsumerLab.com's answer explains.
Now that it was shown that Ginkgo biloba is not an effective memory enhancer, are there any other health enhancing benefits from taking it, and, if so, what dose should one take daily?
Find out what Ginkgo Biloba can and can't do. Find out the health benefits and correct daily dosage.
What is Noopept? Can it really improve memory and cognition, and is it safe?
Learn more about Noopept, including results from clinical studies on cognition, safety, and dosage.
What is Brain Bright and can it really improve memory or cognition?
Learn more about BrainBright, including clinical studies on memory and cognition, safety, and cost.
Can curcumin help prevent or improve symptoms of Alzheimer's disease?
Information on studies of the evidence around the effects of turmeric/curcumin and Alzheimer's.
How can the Recommended Daily Allowance (RDA) for magnesium be higher than the Upper Tolerable Intake Level (UL)? That is, how can an amount which is healthful also put you at risk for harm?
Find out why RDAs and ULs may seem to contradict each other and how to ensure safe supplement dosages.
Can fisetin, also called Cognisetin and Novusetin, really improve memory?
Fisetin (Cognisetin and Novusetin) information, including evidence from clinical studies on memory improvement, brain health, dosage, and pricing.
Does Prevagen really improve memory?
Learn more about Prevagen, including clinical studies on Prevagen's impact on memory & cognition, safety, pricing, and an FDA warning letter. ConsumerLab explores the efficacy of Prevagen.
Do any supplements or foods help with brain function, like memory and cognition?
Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.