SKU: 54148102169

Good Energy: The Surprising Connection Between Metabolism and Limitless Health

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Good Energy: The Surprising Connection Between Metabolism and Limitless HealthThe instant #1 New York Times bestseller with over a million copies sold! A bold new vision for optimizing our health now and in the future What if depression, anxiety, infertility, insomnia, heart disease, erectile dysfunction, type 2 diabetes, Alzheimer's, dementia, cancer and many other health conditions that torture and shorten our lives actually have the same root cause? Our ability to prevent and reverse these conditions and feel incredible

The instant #1 New York Times bestseller with over a million copies sold!

A bold new vision for optimizing our health now and in the future

What if depression, anxiety, infertility, insomnia, heart disease, erectile dysfunction, type 2 diabetes, Alzheimer's, dementia, cancer and many other health conditions that torture and shorten our lives actually have the same root cause?
Our ability to prevent and reverse these conditions - and feel incredible today - is under our control and simpler than we think. The key is our metabolic function - the most important and least understood factor in our overall health. As Dr. Casey Means explains in this groundbreaking book, nearly every health problem we face can be explained by how well the cells in our body create and use energy. To live free from frustrating symptoms and life-threatening disease, we need our cells to be optimally powered so that they can create "good energy," the essential fuel that impacts every aspect of our physical and mental wellbeing.
If you are battling minor signals of "bad energy" inside your body, it is often a warning sign that more life-threatening illness may emerge later in life. But here's the good news: for the first time ever, we can monitor our metabolic health in great detail and learn how to improve it ourselves.
Weaving together cutting-edge research and personal stories, as well as groundbreaking data from the health technology company Dr. Means founded, Good Energy offers an essential four-week plan and explains:

  • The five biomarkers that determine your risk for a deadly disease.
  • How to use inexpensive tools and technology to "see inside your body" and take action.
  • Why dietary philosophies are designed to confuse us, and six lifelong food principles you can implement whether you're carnivore or vegan.
  • The crucial links between sleep, circadian rhythm, and metabolism
  • A new framework for exercise focused on building simple movement into everyday activities
  • How cold and heat exposure helps build our body's resilience
  • Steps to navigate the medical system to get what you need for optimal health

Good Energy offers a new, cutting-edge understanding of the true cause of illness that until now has remained hidden. It will help you optimize your ability to live well and stay well at every age.

Author: Casey Means,Calley Means
Publisher: Avery Publishing Group
Published: 05/14/2024
Pages: 400
Binding Type: Hardcover
Weight: 1.31lbs
Size: 9.39h x 6.27w x 1.35d
ISBN: 9780593712641

About the Author
Casey Means is the Chief Medical Officer and co-founder of Levels, a health technology company with the mission of reversing the world's metabolic health crisis. She has been on faculty at Stanford University, lecturing on metabolic health and health technology. She received her undergraduate degree with honors from Stanford, where she was President of her class. She graduated from Stanford Medical School and trained in Head & Neck Surgery at Oregon Health and Science University before leaving traditional medicine to devote her life to tackling the root cause of why Americans are sick. Calley Means is Co-Founder of TrueMed, and an advocate for policy to change health incentives. He is a graduate of Stanford and Harvard Business School.
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SKU: 54148102169

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Barbara Bowen
Waukegan, US
★★★★★ 5
Really comfortable, good fit
Size: 6X-Large, Color: 5 Pack(black,black,blue,blue,light Coffee)
These are very lightweight and comfortable. The material stretches freely and doesn't bind up anywhere. If you go by the size guide, they should fit perfectly neither too loose nor too tight. Would definitely recommend.
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Reviewed in the United States on April 23, 2026
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Krypto Alley
Lexington, US
★★★★★ 3
These don't work for me...
Size: Medium, Color: B005
First the good... I like the material; it's very soft, light, and stretchy. I also like the colors, but that's all I like about these boyshort panties. My main goal for panties is to have them NOT ride up into my butt crack leaving the bottoms of my butt hanging out. It's probably comfortable for some, but it drives me nuts to feel this constant need to pull them out of my butt crack and down over my butt cheeks. If I wanted my butt hanging out I'd buy thongs, LOL. The part I really don't understand, is why they make the front and the back the same width/length. I mean clearly more material would be needed in the back to fit around two round humps, right? I mean I guess unless you have what I call a pancake butt, I don't see why there shouldn't be more material on the backside of the underwear. Why is it so dang difficult to find underwear in this style to fit up over butt cheeks? If I pull them down enough to cover the bottoms of my cheeks then the waistband is sitting right at the top of my crack which is extremely annoying (then I feel this constant need to pull them up!) especially when the front is long enough to go up to my belly button!! Who are they making these underwear for??? Ladies with FLAT butts apparently. For reference, I'm 5'5" 130 lbs, hips 37", waist 27", athletic build, as in lean but with muscular glutes & quads from speed skating. Not only are they not made big enough to go up over my rump while still keeping my cheek bottoms from hanging out, but they're too long in the front cause they constantly roll up in the front. I've even tried turning them around, even though they seem to be exactly the same front to back, and they fit exactly the same, no surprise there. I may just be out of luck finding comfy boyshort panties that actually fit the way I want them to. :/
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Reviewed in the United States on December 15, 2025
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Dominique Davis
Battle Creek, US
★★★★★ 5
Super comfy!
Great colors, super comfy, soft and druable!!
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Reviewed in the United States on May 2, 2026
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JustAnotherShopper
Waukegan, US
★★★★★ 5
Comfy and well made
Size: Large, Color: B2207sp
Love these! They stay in place, are soft and comfortable with just enough stretch but hold their shape. This is my 3rd order.
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Reviewed in the United States on February 21, 2026
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Siobhan Smith
West Palm Beach, US
★★★★★ 5
Super soft and comfortable!
I haven't bought new underwear in forever. I used to wear thongs, but now find them incredibly uncomfortable. The last few times I've tried to buy new underwear, the sizing was either way off (I'm a medium, but gave up after having to return them for a large and then extra large) or the quality was horrible (two brands stretch waaaay out and they can fall down while wearing them (I have larger ass-ets, so they shouldn't start to slide down during use). I tried these after buying some bamboo pyjamas and I love them! They are incredibly soft, comfortable, and stretchy. I can use them all day, and they work well, whether I'm lounging on the couch or wearing them under my spandex shorts at the gym, they don't ride up or slide down. They are both comfortable and look sexy, while providing support in all the right places. I haven't had them too long, so I can't speak on the durability, but they appear to be of good quality and I plan to order more, this time without the band.
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Reviewed in the United States on November 13, 2025

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