Reviews and Information for Magtein

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Magnesium L-Threonate (Magtein): Health Effects & Safety

Magnesium L-threonate (Magtein) is promoted for boosting memory and cognition, improving mood, supporting sleep, reducing stress and improving symptoms of attention-deficit/hyperactivity disorder (ADHD). Find out if it works and if it's safe.

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Brain Health Memory Plus – Does It Work?

Brain Health Memory Plus by Qunol purportedly "supports your brain health for a sharper mind as you age." But does this formulation, or its ingredients, work and is it worth its price?

Product Review

Magnesium Supplements Review (Including Calcium, Vitamins D & K, and Boron)

Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements

Recalls & Warnings

April 27, 2023

Seller of Magtein, Veggie Caps, & More Warned for Drug Claims, Manufacturing Violations

On March 8, 2023, the FDA issued a warning letter to Spartan Enterprises Inc., dba Watershed Wellness Center, after a review of the company’s website found statements about its Dr. Bob’s Naturals Spirulina, Dr. Bob’s Naturals Magtein, Dr.

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AGZ for Sleep – Is It Worth It?

AGZ claims to "support restful, restorative sleep" without melatonin, but is there evidence to support this use and is it worth its price? Find out.

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Do any supplements or foods help with migraine? Do any trigger migraine?

Find out if supplements such as magnesium, CoQ10, riboflavin, butterbur, feverfew and others help with migraine. Also learn about foods that may trigger migraine, including chocolate and watermelon.

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When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take?

Learn about the interactions between certain supplements and atorvastatin (Lipitor), rosuvastatin (Crestor), and other cholesterol-lowering statins.

Recalls & Warnings

June 19, 2023

A&Z Pharmaceutical Warned for Promoting Calcium & Vitamin D for Hair Loss, Osteoporosis & Cancer

On June 1, 2023, the FDA issued a warning letter to A&Z Pharmaceutical, Inc. following inspection of the company’s website and social media, which found statements about the company’s Chewable Calcium 600MG with Vitamin D for Kids in Orange Flavor products to be drug claims.

Recalls & Warnings

July 19, 2023

FDA Warns Seller of Sleepy Time Products and Honey Herbal Syrups for Manufacturing Violations

On June 28, 2023, the FDA issued a warning letter to Eden’s Answers, Inc. after an inspection of the company’s facility found products to be adulterated because they were prepared, packed, or held under conditions that do not meet Current Good Manufacturing Practices (CGMP).

Recalls & Warnings

August 16, 2023

FDA Warns Hekma Center, LLC for Promoting Products to Treat Anemia, Diabetes, Depression, & More

On June 2, 2023, the FDA issued a warning letter to Hekma Center, LLC following review of the company’s website and social media, which found statements about the company’s Natural Supplements for Anemia, Lymf (Galium aparine), Natural Supplements for Cardiomyopathy, Magic1 (Moringa ...