658. This Is Your Brain on Supplements

658. 这是你服用补充剂后的脑部状态

Freakonomics Radio

2026-01-09

53 分钟
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We all want to stay sharp, and forestall the cognitive effects of aging. But do brain supplements actually work? Are they safe? And why doesn’t the F.D.A. even know what’s in them? (Part one of “The Freakonomics Radio Guide to Getting Better.”)   SOURCES:Marty Makary, commissioner of the Food and Drug Administration.Peter Attia, physician, author, and host of The Peter Attia Drive.Pieter Cohen, associate professor of medicine at Harvard Medical School, physician at the Cambridge Health Alliance.  RESOURCES:"Protein Powders and Shakes Contain High Levels of Lead," by Paris Martineau (Consumer Reports, 2025)."Accuracy of Labeling of Galantamine Generic Drugs and Dietary Supplements," by Pieter Cohen, Bram Jacobs, Koenraad Van Hoorde, and Céline Vanhee (JAMA, 2024).Blind Spots: When Medicine Gets It Wrong, and What It Means for Our Health, by Marty Makary (2024).Outlive: The Science and Art of Longevity, by Petter Attia (2023)."Revealing the hidden dangers of dietary supplements," by Jennifer Couzin-Frankel (Science, 2015).  EXTRAS:"China Is Run by Engineers. America Is Run by Lawyers." by Freakonomics Radio (2025)."How to Fix the Hot Mess of U.S. Healthcare," by Freakonomics Radio (2021). Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.
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  • If you ever watch TV or use the internet,

  • you've probably seen advertisements for products that are supposed to help your focus,

  • improve your memory, and prevent the cognitive effects of aging.

  • Our brains are incredible, but memory can get complicated.

  • That's why we created new Nariva Memory 3D.

  • AlphaBrain is one of the most important supplements that I've ever found, ever in my life,

  • if not the most important one, and the one that I cherish the most.

  • I started noticing the clarity wasn't there, that I needed, and that was frustrating.

  • I'd seen many commercials about Prevagen, and I thought, why not give it a try?

  • You want to know why there are so many of these ads?

  • Apparently because they work.

  • Around 60% of U.S.

  • adults take at least one dietary supplement, the most common being a multivitamin.

  • Brain supplements are one of the fastest growing segments of the market.

  • It has doubled over the past seven years,

  • and it's projected to double again in the next seven to around $25 billion a year.

  • We asked free economics radio listeners to tell us what they take and why.

  • I take a bunch of supplements in the morning, but specifically for brain health.

  • I take krill oil and I also take creatine powder.

  • After listening to a parenting podcast, I started taking choline,