Aug 19

Vitamin K2: Is a supplement a good idea?

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

14m 48s

Aug 15

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

12m 57s

Aug 12

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

11m 59s

Jan 2023

#136: Coffee - Is It Bad?

<p class="" style="white-space:pre-wrap;">In this episode, we’re chatting all about coffee.</p><p class="" style="white-space:pre-wrap;">I’m going to cover some of the benefits, and potential adverse effects of coffee, and give you some suggestions on how you can make coffee work ... Show More

15m 24s

Mar 2025

Why Am I Addicted To Caffeine & Should I Quit?

<p>Are you constantly reaching for that morning coffee? Wondering if your caffeine habit is helping or hurting you? Whether you're a coffee lover, struggling with caffeine addiction, or simply curious about how caffeine impacts your body, this episode offers valuable insights and ... Show More

40m 28s

Nov 2023

Caffeine: How Much is Too Much?

Caffeine is a drug that tons of us take every day. But is that a bad thing? And if we get it in the form of energy drinks, is that super dangerous? We talk to Dr. Astrid Nehlig, Prof. Gregory Marcus, and Prof. Sachin Shah. Find our transcript here: https://bit.ly/ScienceVsCaffein ... Show More

42 m

Jul 2023

2220: A Doctor Answers Your Questions About Caffeine

Ask Dr. Neal your question about health, nutrition, diet, fitness, and more here: http://OLDPodcast.com/ask or call: 614-568-3643 Episode 2220: A Doctor Answers Your Questions About Caffeine Visit Me Online at OLDPodcast.com Interested in advertising on the show? Visit https://ww ... Show More

10m 5s

Jun 2018

025: Is Coffee Bad For Your Adrenal Health with Dr. Mariza

What We’re Talking About In This Episode! Is coffee feeding your chronic stress or fatigue? All the factors that can influence how coffee affects you How green smoothies helped me replace coffee The difference between caffeine in matcha vs caffeine in coffee Ways to give you ... Show More

48m 36s

Jun 2025

3000: How Much Caffeine in a Cup of Coffee? A Detailed Guide by Adda Bjarnadottir with Healthline

Discover all of the podcasts in our network, search for specific episodes, get the Optimal Living Daily workbook, and learn more at: OLDPodcast.com. Episode 3000: Discover how caffeine content can vary widely between different types of coffee, from espresso shots to instant blend ... Show More

15m 9s

May 2023

#21: How Much Coffee Is Too Much Coffee?

<p>Coffee is linked with many health benefits, including a longer lifespan and helping prevent diseases like cancer. But, much of the research suggests you need to drink a lot of coffee to experience the benefits. So, is there something as too much coffee? Arnold will share a stu ... Show More

6m 35s

Jun 2025

3414: New Highly Controversial Coffee Studies (WW)

<div><span class= "author-d-1gg9uz65z1iz85zgdz68zmqkz84zo2qowz82zpfz80zz75zz76zz88znwz72zz80zz89zz82zg1z84zvz79zz81zrl5z84zz90zz86zxlgz73zz76zn"> Is your morning coffee packed with health benefits, or does it carry some hidden risk?</span></div> <div> </div> <div> </div> <div><sp ... Show More

15m 11s

Jan 2021

2020's most popular: coffee and its surprising health benefits

Coffee. For some, it is deserving of its own essential food group. But is coffee more than just a way to achieve functioning human capacity first thing in the morning? You may have seen media headlines in the past warning about health risks of coffee. But now that the science has ... Show More

20m 5s

Nov 2025

5 Shocking Benefits of Coffee and Who Should Not Drink It!

In this episode, you'll learn how coffee affects metabolism, brain performance, and blood sugar — and why Dr. Jockers says it's not universally good or bad. Discover whether you're part of the 65% who benefit or the 35% who struggle, and how genetics and caffeine metabolism shape ... Show More

32m 45s

Is Coffee Good or Bad for You?