EPISODE · May 1, 2026 · 12 MIN
The Vitamin D Lie That's Making You Sicker
from Fuel Different · host Sarah Williams
Taking a 50,000 IU vitamin D pill is like chugging 25 days' worth of supplements at once. But somehow the wellness industry convinced millions this was totally fine. Sarah Williams breaks down the vitamin D danger that supplement companies have been hiding. Turns out those mega-dose pills everyone's popping can actually wreck your kidneys and calcium levels. Who knew? What we cover: • Why vitamin D toxicity cases jumped 1,200% since 2005 (hint: it wasn't an accident) • The kidney limit nobody talks about: your body can only process 1,000-4,000 IU daily • Blood level sweet spots vs. the danger zone above 100 ng/mL • Real dosing that won't send you to the ER Who this is for: Anyone taking vitamin D supplements or wondering if more is actually better. The supplement industry spent decades pushing higher doses while downplaying the risks. Sarah explains exactly what happens when you overdose on the sunshine vitamin, and why your kidneys can't keep up with those massive pills. Chapters: 00:00 The vitamin D marketing lie 02:30 What 50,000 IU actually does to your body 05:15 Kidney damage nobody warns you about 07:45 Safe dosing that actually works 10:20 How to test your levels properly This isn't about avoiding vitamin D completely. It's about not poisoning yourself with doses that would make a pharmacist cringe. 🎧 If you're tired of health advice that doesn't add up, follow Fuel Different. Sarah drops new episodes daily with the science that actually matters for your health. -------- Keywords: dr berg, diet advice, health education Learn more about your ad choices. Visit megaphone.fm/adchoices
What this episode covers
Taking a 50,000 IU vitamin D pill is like chugging 25 days' worth of supplements at once. But somehow the wellness industry convinced millions this was totally fine. Sarah Williams breaks down the vitamin D danger that supplement companies have been hiding. Turns out those mega-dose pills everyone's popping can actually wreck your kidneys and calcium levels. Who knew? What we cover: • Why vitamin D toxicity cases jumped 1,200% since 2005 (hint: it wasn't an accident) • The kidney limit nobody talks about: your body can only process 1,000-4,000 IU daily • Blood level sweet spots vs. the danger zone above 100 ng/mL • Real dosing that won't send you to the ER Who this is for: Anyone taking vitamin D supplements or wondering if more is actually better. The supplement industry spent decades pushing higher doses while downplaying the risks. Sarah explains exactly what happens when you overdose on the sunshine vitamin, and why your kidneys can't keep up with those massive pills. Chapters: 00:00 The vitamin D marketing lie 02:30 What 50,000 IU actually does to your body 05:15 Kidney damage nobody warns you about 07:45 Safe dosing that actually works 10:20 How to test your levels properly This isn't about avoiding vitamin D completely. It's about not poisoning yourself with doses that would make a pharmacist cringe. 🎧 If you're tired of health advice that doesn't add up, follow Fuel Different. Sarah drops new episodes daily with the science that actually matters for your health. -------- Keywords: dr berg, diet advice, health education Learn more about your ad choices. Visit megaphone.fm/adchoices
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The Vitamin D Lie That's Making You Sicker
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