Why is there a supplement craze if they don’t even work?
Jun 5, 2026
Summary
Planet Money hosts attempt to create their own supplement to expose the industry's lax regulations and low barriers to entry. They interview experts who reveal that supplements don't need FDA approval for safety or efficacy, leading to issues like mislabeled ingredients and unproven health claims. Despite these risks, the episode concludes that Americans continue buying supplements largely due to the powerful placebo effect and a cultural desire for quick health fixes.
Topics discussed
Intro: How easy is it to make a supplement?
The $70 billion supplement industry boom
Why supplements are so popular and hard to regulate
History of supplement regulation and the 1994 law
How 'structure/function' claims bypass FDA approval
The Prevagen case: Jellyfish protein and legal loopholes
Green tea extract and hidden dangers in common supplements
Marion Nestle on ingredient accuracy and safety risks
The placebo effect and why people keep buying supplements
Conclusion: Nothing will stop the supplement craze
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