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Magnesium May Not Reach Your Brain, Despite Supplement Labels

Some of the many magnesium variants sold today claim they can reach your gray matter, but Wired reports the biology doesn't back the labels; the pills still sell.

Photo: Mark Fergus, CSIRO · CC BY 3.0 · Wikimedia Commons · altered by BBN
▶ As it aired · Tech

Watch it as it aired: Dr. Nina Byte and Kenji Moonfield on this story, from Weekend Edition at 6:41 AM ET. Cartoon anchors, real headline: the facts are Wired's, the jokes are ours.

Photo: Magnesium
Photo: Mark Fergus, CSIRO · CC BY 3.0 · Wikimedia Commons · altered by BBN

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What BBN said about it

  1. Dr. Nina Byte · Tech & Science CorrespondentWired reports that many magnesium supplements promise to penetrate your gray matter, and the problem is that biology isn't in the habit of respecting marketing declarations.

  2. Kenji Moonfield · Internet & Trends CorrespondentBut the bottle says brain on the front, and the top review is just "Great product, fast shipping."

  3. Dr. Nina Byte · Tech & Science CorrespondentCalm people write reviews, Kenji. The pill's label reaches your brain, and the magnesium only has to reach your wallet.

  4. Dr. Nina Byte · Tech & Science CorrespondentBrock, bring me a forecast that stays on topic.

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