876. There's no vitamin F or G. After E, we jump straight to K, and that quirk is a hint that this nutrient is more complicated than it looks. Vitamin K isn't one thing. It's a whole family of compounds -- K1, K2, MK-4, MK-7 -- that come from different sources and do completely d ...Show more
Touching GRAS: What 'generally recognized as safe' really means
On a road trip, tackling a summer cleanup, or just catching up on podcasts? QDT has you covered with Summer Saturday encores from your favorite shows. See the full Summer Saturday lineup on Spotify and enjoy this episode, which first aired in November 2025.838. Are manufacturers ...Show more
Could eating more calcium lead to kidney stones?
874. If you're prone to kidney stones, you've probably been told to cut back on calcium. If you're worried about your bones, you've been told to get more. So which is it?Turns out it's a false choice. The old advice to restrict dietary calcium doesn't lower your risk of calcium s ...Show more
Do food dyes cause hyperactivity?
On a road trip, tackling a summer cleanup, or just catching up on podcasts? QDT has you covered with Summer Saturday encores from your favorite shows. See the full Summer Saturday lineup on Spotify and enjoy this episode, which first aired in November 2024.California recently ena ...Show more
Can these foods remove plastics from your body?
874. Some wellness articles promise that certain foods can flush plastics and forever chemicals out of your body. In this episode, Monica tracked down the actual studies behind those claims, looking at what the research on fiber, probiotics, and antioxidants really shows about cl ...Show more