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The Bulletproof Diet: Lose up to a Pound a Day, Reclaim Energy and Focus, Upgrade Your Life

3.75  ·  Rating details ·  3,605 Ratings  ·  289 Reviews
In his midtwenties, Dave Asprey was a successful Silicon Valley multimillionaire. He also weighed 300 pounds, despite the fact that he was doing what doctors recommended: eating 1,800 calories a day and working out 90 minutes a day, six times a week.
When his excess fat started causing brain fog and food cravings sapped his energy and willpower, Asprey turned to the same h
Hardcover, 320 pages
Published December 2nd 2014 by Rodale Books
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Popular Answered Questions
Gumbo Ya-ya I'm sure it's possible to score 20 points higher on an IQ test than you have done previously, whether that's actually meaningful is debatable...

I'm sure it's possible to score 20 points higher on an IQ test than you have done previously, whether that's actually meaningful is debatable...

If your car can run better on higher octane petrol without you replacing the engine then you can probably get your brain to run better by altering your diet without getting a brain-transplant...

As far a weight-loss goes, within 8 weeks of starting to follow Asprey's diet (though not very strictly), I lost 6kg. And I was not overweight to start with; it's entirely believable that someone who was significantly overweight and living an unhealthy lifestyle could shed 45kg (and quickly) if following this diet closely...(less)

Community Reviews

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Rating details
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Sean Liu
Dec 28, 2014 rated it liked it
Shelves: the-body
I really wanted to give this 2 stars but hey, I'm drinking the coffee so let's go for 3. Unfortunately, Asprey is extremely salesy and if you're not into used car salesman-types, he's going to make you very uncomfortable. He also loves to tout the benefits the Bulletproof Diet will have on your body as if it is going to shred you up with minimal exercise—I can promise you much of his fitness tips are misguided. Aside from dubious testimonials sprinkled throughout the book, he offers no numbers, ...more
Jeff Zapotoczny
My wife and I were interested in this to see if we could learn anything to augment the mostly primal/paleo way we've been eating the last few years. We picked up a few great ideas (mainly realizing we may have been eating too much protein and not enough saturated fat), but were mostly left disappointed.

Dave Asprey is reaching very hard to brand every salable aspect of his lifestyle while simultaneously avoiding identifying it with the paleo/ancestral movements. He's not paleo, he's a "biohacker.
Annmarie (Annie) Kostyk
Feb 08, 2015 rated it really liked it
There are always naysayers. I also think it's a bad idea to skip breakfast. Being vegetarian twice in my life, I had to stop both times. Why? Deep depression, anxiety, panic attacks, insomnia, and my skin looked old and crappy. Back on animal protein and a high good fat diet and I feel great again. AND... I lost quite a bit of weight, no inflammation and no puffiness.

For vegans, sorry. Every vegan I know starts to look super unhealthy after some time. Even Pres Clinton's doc told him he needed
Nov 30, 2014 rated it it was amazing
This review has been hidden because it contains spoilers. To view it, click here.
Apr 26, 2015 rated it it was ok
In many ways he is the George Foreman of the coffee drinking world. He sells coffee and sells it well, he's come up with one idea and is so proud of it he's put his brand on it. in every paragraph.

The guy is a hack, a used car salesman. This book is an overloaded with broscience, celebrity endorsements and bulletproof branding, with little or no empirical data to back up its claims. He is selling the bulletproof brand and the dream of an upgraded lifestyle which can be obtained through his butte
Lisamarie Landreth
Dec 14, 2015 rated it it was amazing
Shelves: non-fiction
Five-star reviews are reserved for books that are a life-changing, paradigm-shattering force to be reckoned with that I'm compelled to force on everyone I know. The Bulletproof Diet delivers on all counts. I started this book while in bed with terrible back pain because if pain is the truest roadmap to where God is working in our lives, somethings gotta give with my diet and exercise routine. Throughout the course of the next couple weeks I started incorporating minor Bulletproof principles and ...more
Oct 24, 2015 rated it really liked it
Shelves: science
I’ve never been interested in health. I’ve tried a couple of fad diets in order to shed pounds quickly (often too quickly) and I’ve exercised myself into health problems on more than one occasion (particularly memorable was the ankle problem related to jogging and the heart symptoms related to cardio workouts). So, when a friend insisted that he was concerned about me and recommended this book, I was skeptical but purchased the book out of respect for the friend. The Bulletproof Diet isn’t so mu ...more
Eric Vance Walton
Feb 06, 2015 rated it really liked it
No matter how much I tried to silence it much of the nutritional advice given in this book made my psyche scream, "NO!". If I wouldn't have already been reading research supporting the amazing health benefits of grassfed butter and beef I probably wouldn't even have tried the diet. Disclaimer: I'm not drinking the bulletproof coffee but have introduced 2tbsp (sometimes more) grassfed butter into my breakfast and on my vegetables throughout the day and am eating more grassfed beef and other healt ...more
Sean Cameron
Dec 03, 2014 rated it really liked it
I found this book to be very informative. He gives away a one page PDF of the diet's principles for free which I have been using and feeling the benefits. Now the books out I could learn the story and science behind it all.

People complain that he pushes his products but I feel he lays out what to get and how to get the right quality and offers his version. You can do it all without buyin his brand, it's just easy to buy his brand.

I've only dabbled with the diet for a month for a meal or two each
May 04, 2017 marked it as on-kindle-tbr
I'm going to "look and feel fabulous" they say.

A little skeptic, but price drop to $1.99 on 5/4/17
I've had this on my wish list since a PT I worked with suggested it to me for health reasons. The coffee part at least sounds good.
John b Reno
Nov 27, 2014 rated it it was amazing  ·  review of another edition
Dave delivers again

I have been listening to the bulletproof radio podcast since 2012. Since I started just basic changes that year I saw a huge difference in my athletic performance. I took this all the way to triathlon and full ironman distance with great results. I am now not training at all and maintaining my weight and lean mass (I actually look better than when just was exercising 10hrs a week) and excelling mentally since the past few weeks I have integrated bulletproof intermittent fastin
Aj Warner
Dec 12, 2014 rated it it was amazing  ·  review of another edition
scares you straight

First book I read on my new kindle. Could not put it down. Back on track after losing my way over the last 5 months and adding 20 pounds of weight and feeling brain fog again after 2 years of living awesome. Anyone and everyone should read the book and then make their own life decision after having more information to guide them.
Dec 26, 2014 rated it liked it
Since I followed the diet for a month, I thought I'd come back and revise my original review (in its entirety below) well as my rating (downgraded from a 4 to a 3). The diet is NOT the easiest, nor most palatable I've ever been on - one gets tired of a greasy mouth feel to almost everything ON the diet. That's the bad news... the GOOD is that I did lose a total of 12 lbs in 4 weeks - not bad. However, it ISN'T a diet I can realistically stay on until I lose all the weight I'd like to - so a ...more
Apr 15, 2015 rated it it was ok
I seemed to be spotting lots of claims but either no or poor evidence to support them. It shows an inadequate understanding of evidence by an author and reader when correlation between two or more factors is held as causation as is frequently done in this book.
I have abandoned this book, some readers might find it helpful but I am not convinced by Asprey's claims. The book starts well and held my attention but soon its general lack of evidence irritated me. I have no doubt that Asprey is an inte
Jan 04, 2016 rated it really liked it
Very interesting! After reading this I joined a Bulletproof FB Group to get some more information on real people's results. It definitely intrigued me based on the science behind this diet. I have tried and do enjoy the Bulletproof Coffee.
Jun 30, 2017 rated it it was ok
Shelves: cooking, self-help
I guess I should be happy that I read this in 2017 instead of the year it was published. This book claimed that most coffee has mold! There was even an explanation of the research it took to find this out. Of course I had to look this up! Relax, it's not true. Even Folgers uses a wet processing to prevent any mold from growing on the beans. Don't get me wrong, I wouldn't have been drastic enough to stop drinking the only liquid that lets me deal with other people, but I might have cut back to on ...more
Apr 13, 2016 rated it really liked it
'Biohacking' is a word that conjures up something very technologically advanced and only reserved for geeks. This is not true. I am glad I read through the entire book. There is much wisdom to be found in this book, not to mention that my grocery bills will go down because I will cut spending on cheese, alcohol, certain nuts, nut milks, gluten free bean chips, and certain fruits. Many so-called foods are not helping us in terms of optimizing health and providing important key nutrients.

Most boo
Danny An
Mar 23, 2015 rated it it was amazing
I must say that this is the most thorough and powerful diet book I have read so far.

You'll learn the basic science behind boosting your mental performance while losing weight, staying young, and extending your life span.

If there is one health/diet book you want to read, read this one. It'll change your life. I've already lost 5+ pounds easily in the past week following this diet about 85% of the time.
Ryan Hawkins
Oct 13, 2017 rated it really liked it
Shelves: food
I didn't read this because I wanted to loose weight. Rather, I love reading about food/nutrition, I had heard of Asprey and Bulletproof Coffee, and I had started doing it in the morning and really enjoying it for a week or so. So, I decided to officially read the book. I think it is unfortunate to call this a 'diet' book. It is more a revolutionary nutrition book, with some practicalities about what to do.

As a background, Asprey was a Silicon Valley multimillionaire who was way overweight. He tr
Apr 03, 2017 rated it it was amazing
Um livro pra te fazer repensar a forma como você se alimenta. Parece radical e faz você ficar meio paranoico com os alimentos. As referências citadas dão credibilidade à teoria e não custa tentar para ver os resultados. Já estou colhendo alguns.
Mar 14, 2017 rated it it was ok
I was definitely intrigued by this book, and have even incorporated some of this diet into my daily routine. However, this diet is 50-75 percent fat and my husband who is a registered dietitian with a masters in sports nutrition said that no matter what this guy claims, he says there is no way this can be safe for long-term.

Then I started listening to the authors bulletproof radio podcast and realized he is kind of a dick. He has these awesome guests on and only talks about himself and when peo
Palimpest Living
Oct 15, 2015 rated it liked it
I have mixed feelings about this book.

The pros:
- It was well organized and contained a lot of great information, often in unexpected areas such as which fruits/veggies are highest in fructose, highest in pesticides, most likely to be GMO, etc.
- The author was very honest about places where he hated what he had to write (such as pointing out the beer is simply not “bulletproof”.
- Much of the dietary advice was very sound, and the author was upfront about some nasty food production habits that p
Fab Mackojc
May 12, 2015 rated it it was amazing
I specifically waited until after following this diet properly for two weeks before writing this review. I feel pretty good generally but it was tiring cooking two meals a day for two weeks when I normally don't cook at all. There were also times where I didn't feel so amazing because my body was adjusting to a very different approach to eating.

I'll try my best to review just the book, but I wanted to talk about aspects of the diet as well. Overall, I like the idea of what Dave is selling but pu
Aug 08, 2015 rated it it was ok
I had heard a lot of good things about this book and diet and was hoping that it wasn't too good to be true. Unfortunately, after doing some digging around there are many rabbit holes one can go down to find the fallacies in Asprey's claims. The book itself is an easy enough read, although like everyone else commented on, the used car salesman attitude gets old really fast. I'm pretty sure every other sentence started with "As a biohacker, I...".

On a base level, nobody will argue against cutting
Apr 09, 2016 rated it really liked it
Shelves: 2016-books
Dave Asprey is a former high-tech entrepreneur turned biohacker and the creator of Bulltetproof coffee and the Bulletproof brand. He has a popular podcast, Bulletproof Radio, which I listen to regularly. This book summarizes a lot of his philosophy in biohacking and how lifestyle, especially diet can affect how you can improve how you feel, your physical and mental performance and overall health.

Overall, there are many excellent tips and advice on diet and lifestyle that promise to lead to heal
Mike Harmon
May 07, 2015 rated it liked it
What does your Mom get you for your birthday?...I now get books on healthy eating. Yea - thanks mom. I actually already follow many of the guidelines set forth in the book, but did pick up a few tweaks and inspiration to be more disciplined. Asprey doesn't provide any hard statistical evidence; it's all based on his extensive first-person experimentation. He's also quite the used car salesman. When reading books like this, I always look for several diet tweaks I can take away, but I never start ...more
Joshua Pitzalis
Dec 03, 2014 rated it liked it
I was a little disappointed. It's not a bad book, it's just that I'd been waiting a while for it.

I purposely didn't read about the bulletproof lifestyle because I wanted a coherent story that starts from the beginning instead of riffling through his blog.

I was disappointed because it's too technical to be enjoyable for laypeople but too simple to appeal to the sports scientist in me.

There is a lot of talk about the scientific rigour he went though to build the diet but it was never really expla
May 03, 2015 rated it liked it
After trying a ketogenic diet for a couple weeks and feeling great (except for the one time I slipped up) I remembered I had this book and thought it might be a more sustainable version of the diet. To be blunt, it's really not. It *did* show me that yogurt makes me feel gross, but the addition of more carbs in the form of sweet potatoes and white rice have me feeling bloated, tired and almost hungover this morning. Overall it just seems like most things these days, which is the "expert" using t ...more
Jan 01, 2015 rated it liked it
Shelves: food-and-health
I owe a debt of gratitude to Dave Asprey as I learned the bulk of what I know about the paleo diet from listening to his podcast. The man has done his homework for sure and is a wealth of information. Further, I am a huge fan of bulletproof coffee (absolutely yum!) and use it just as Dave suggests – as a tool for intermittent fasting.

That said, the book reads at times like an infomercial and I found myself cringing with embarrassment. Also, there is a lot of paranoia about mycotoxins, which I b
Jul 06, 2015 rated it liked it
Interesting guy, interesting book. He is very focused on the results of "biohacking" his own body and life, but he's also worked with many clients at this point, and has done a lot of research. He is also focused on toxins & myotoxins--whey they are in your food, what they might be doing to you if they are, how to avoid them (or "hack" them, I suppose). Accessible reading style. I felt like he got bored at the end of the book... the diet itself is laid out in just a few pages near the end, w ...more
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Dave Asprey is a Silicon Valley investor, computer security expert, and entrepreneur who spent 15 years and $250,000 to hack his own biology. He upgraded his brain by >20 IQ points, lowered his biological age, and lost 100 lbs without using calories or exercise. The Financial Times calls him a "bio-hacker who takes self-quantification to the extreme of self-experimentation." His writing has bee ...more
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“Eating carbs in the morning will set you up for an energy spike and crash along with food cravings throughout the entire day. If you decide to test this for yourself, it will be blindingly obvious. Try having just Bulletproof Coffee instead of your usual breakfast and see how long it takes you to want food. For most people, it turns off the desire for food for at least 5 to 6 hours.” 2 likes
“Then it gets even worse—your irritated intestinal lining allows undigested food particles and bacteria to enter your bloodstream and trigger a wider inflammatory response as your body attacks these foreign particles. When these antinutrients continually damage your gut, which unfortunately happens to most people on Western diets that include large amounts of inflammation-causing processed foods, your body is forced to constantly mount a response against a perceived enemy. It does this by releasing a stream of small inflammatory proteins called cytokines into your bloodstream, which eventually enter your brain.” 1 likes
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