In Book Reviews

Have you ever had a keto question?

If so, Keto Answers absolutely delivers as the premier low-carb resource and authoritative keto encyclopedia.

This is the first publication from Dr. Anthony Gustin, DC, MS and Chris Irvin, MS. You can find it here on Amazon. It’s available in paperback and on kindle.

Briefly about the authors,

Dr. Gustin is a functional medicine clinician and used low-carb, real food diets with thousands of clients. He is also the founder and CEO of Perfect Keto.

Chris’s background is as a nutrition science researcher and writer with an expertise in ketogenic dieting. He is also the Education Manager at Perfect Keto.

Together, Dr. Gustin and Chris host the Top 50 health podcast, The Keto Answers Podcast.

Regardless of your education or experience, this book is your ultimate weapon in overcoming obstacles and achieving your health goals. Keto is not easy. It flies in the face of most conventional wisdom on nutrition. There is a lot to sort out, which is tough when there is an avalanche of information on the internet.

After years of yo-yo dieting and topping out at nearly 290 pounds I was desperate to lose weight. I tried everything from Jenny Craig to cross fit to severe calorie restricting. When the cross fit that I was attending closed, I was desperate. I’d heard some rumblings of paleo and keto from people at the gym so I decided it couldn’t hurt. When I got started, there wasn’t a lot of information available so I dove right in with just eliminating all the carbs and loading up of fat and meat. I knew nothing of the Keto Flu, the impact of processed oils like canola and soybean and certainly didn’t take in enough electrolytes. Fortunately I got through it and I’m happy to say that I lost over 100 pounds and 2 1/2 years later, I’ve kept the weight off. I wish there was a book like this when I got started. Having a book like this would have saved me so much time and agony as I tried to figure out how to do keto.

Here’s what you can expect from the book.

The Format of Keto Answers

  • 268 most asked keto questions in Q&A format.
  • 50+ beautifully designed infographics

Picture yourself as the host of a Keto Answers Podcast episode and your guests are Dr. Anthony Gustin and Chris Irvin. This is an engaging conversation, not a lecture.

How to Read Keto Answers

You can either read it front to back or use it as a keto reference guide to revisit when you have a question. Keep your post-it notes and highlighter handy.

The book is broken down into 4 sections. I’ll share the highlights of what you’ll find in each and I’ll include a few infographics along the way.

Introduction: How Did We Get Here?

In today’s world, we’re constantly inundated with content about nutrition. Too much inaccurate information not backed by science.

However, this isn’t just a problem that exists today. In fact, Ancel Keys, a very successful scientist led the charge on demonizing fat as a cause for heart disease and is a huge reason why we’re here today. Obesity, heart disease, and diabetes are the most prevalent they’ve ever been.


In contrast, history gets it right sometimes. After all, Hippocrates famously said, “Let food by thy medicine and let medicine be thy food.” around 400 BC.

Why Keto Now

Dr. Gustin and Chris Irvin believe these to be the four pillars of health:

Each plays an essential role in health, but nutrition is at the top as it has the largest impact on overall health and wellbeing. Given you have control over what you eat, keto (done right) is a powerful tool in teaching you that nutrition can change how you experience life.

Keto is crucial right now because it will help reverse the damage of this massive failed nutrition experiment we’ve run on ourselves for the past 30 years.

Part 1: Keto 101

Chapter 1: Understanding Keto

  • If you’re just starting keto, this is the foundational keto knowledge you need:
    • What is keto?
    • How is keto different than Atkins or other low-carb diets?
    • What do I eat on keto?

Chapter 2: Debunking Nutrition Myths

Here, the authors break apart the most common misconceptions about nutrition.

Top questions answered:

  • Don’t we need carbs?
  • What do carbs do and how much should I eat?
  • Doesn’t high-fat cause high cholesterol?

Check out this eye opening graphic on micronutrient absorption in veggies vs. meats!

Part 2: Ketosis in Action

Ketosis in Action details all of the amazing benefits of keto as they pertain to wellness, body composition, and performance.

Chapter 3: Wellness Benefits of Keto

  • Keto Answers dives into how keto leads to increased energy, improved mood, blood sugar stability, increased satiety, improved brain function, and disease prevention/management.

Chapter 4: Body Composition Benefits

Top questions covered:

  • How do I lose fat?
  • Do I need to work out?
  • Will I maintain my weight loss/muscle gain results in the long term?

Chapter 5: Performance Benefits

Top Questions Answered:

  • Are carbs essential for performance and recovery?
  • How does keto affect endurance and strength?
  • What sports is keto best for?

Here’s the summary of sports that keto can be helpful for:

Part 3: Ketosis and You

Now that you’re equipped with all the core information, the authors empower you to do keto with confidence. This is where the authors help make keto work for you.

Chapter 6: Keto Foods

Top Questions Answered:

  • What do I shop for at the grocery store?
  • What are the best meats, seafood, dairy, produce, fruits, nuts, oils, coffee, tea, and fats to eat?
  • How do I structure my keto meal plan?

Chapter 7: Starting Keto

Top Questions Answered:

  • What are some best practices to mitigate the infamous keto flu?
  • How can I speed up the transition into ketosis?
  • Do I count net or total carbs?

Here’s a simple reference plate for starting keto:

Chapter 8: Using Supplements on Keto

Top Questions Answered:

  • Electrolytes 101:
    • What are they?
    • Which ones do I need?
  • What protein should I supplement keto with?
  • What is the difference between MCT and coconut oil?

Chapter 9: Fasting and Keto

Top Questions Answered:

  • What’s the difference between fasting and keto?
  • Why should I consider fasting and how do I do it?
  • What are the different ways to fast and which is best for me?

Chapter 10: Different Types of Keto

Top Questions Answered:

  • What are all the different types of keto?
  • How do I do each type of keto?
  • How do I know which one is right for me?

Chapter 11: Keto for Women

Top Questions Answered

  • Is keto safe for women and how does it affect female hormones?
  • Can you do keto during pregnancy?
  • How can keto help treat PCOS?

Chapter 12: How to Stay Keto

Top Questions Answered:

  • Sustaining a keto diet: how can I make it a lifestyle?
  • How do I prepare to travel on keto?
  • What are traditional carb sources that I can swap for better options on keto?

Chapter 13: Self-Experimentation and Tracking

Top Questions Answered:

  • What should I track, how should I track it, and how do I adjust according to my goals?
  • How do I use all this data to optimize my nutrition, sleep, movement, and stress?
  • What’s most important to track based on my experience?

The bottom line is Keto Answers is a must have whether you just started keto or you’ve been in the lifestyle for several years. It’s a great book to answer not only your questions, but those of your friends, family and even your doctor. This is the encyclopedia of keto and will be a great addition to your library. I suggest you pick up a couple copies and give them out as gifts.

You can purchase your copy of Keto Answers by using this link: https://amzn.to/306exSE

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