Cover art for podcast The Human Upgrade with Dave Asprey—formerly Bulletproof Radio

The Human Upgrade with Dave Asprey—formerly Bulletproof Radio

937 EpisodesProduced by Dave AspreyWebsite

For a decade, Dave Asprey, “the father of biohacking,” elevated what you knew about the capabilities of your mind and body across a thousand episodes of Bulletproof Radio. Now, he’s evolving it even further in his plan to upgrade humanity. You’re invited to expand your knowledge, explore your own pe… read more


The Best and Worst Foods for Your Metabolic System – Dr. Casey Means : 876


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The Levels closed beta program includes a waitlist of more than 140,000 people. Skip that line and participate in the early access program with this link: Levels is available only in the U.S.


… you’re going to learn how to upgrade your metabolism and optimize your diet for your unique biology. 

 Dr. Casey Means started her career as a surgeon, where she saw firsthand, day after day, the devastating long-term consequences of poor metabolism, from cardiovascular issues to cancer. She decided to refocus her career on helping people prevent metabolic disease in the first place, instead of treating the results. 

 So, she began researching the causes of metabolic disorders. She quickly discovered a bigger and more subtle problem existed than she’d even realized. 

 “A recent UNC study estimated that 88% of American adults have at least one biomarker of poor metabolism,” she says. “And this is likely part of the reason why nine out of 10 of the leading causes of death in the U.S. are related to, or worsened by, dysregulated blood sugar levels.”

 What does this lead to? “Healthcare costs are going up each year...and we’re getting sicker, fatter, and more depressed,” Dr. Casey says.

 That’s why she co-founded Levels Health. Levels created a wearable device that continuously monitors your blood sugar levels, then gives you a personalized nutrition dashboard based on the results. 

Blood sugar imbalances are a strong predictor of inflammation and long-term metabolic disease. Keeping your blood sugar on an even keel is a powerful way to gain stable energy all day, keep your metabolism running strong, and even lose weight. 

Everyone’s metabolism is different, which is why Levels uses your personal data to make food recommendations. It can tell you which foods to eat, which ones to avoid, the best times to eat, and even whether you’re eating too much or not enough. 

I’m a big believer in quantifying your health. When you have objective numbers about your biology, you can start to tweak things and make them better.

Levels gives you the power to measure your blood sugar throughout the day—and Dr. Casey hopes that this kind of insight will help you eat better, lower your inflammation, supercharge your metabolism, and become a stronger, more capable version of yourself. 

In this episode, you’ll also learn about:

  • The worst foods for your blood sugar (quick preview: Chick-Fil-A and Coca Cola are at the top of the list)
  • How your metabolism affects everything from Alzheimer’s to acne to erectile dysfunction
  • Why the calories-in-calories-out model of nutrition is flawed
  • Simple changes you can make to build a stronger metabolism
  • And much more!

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