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David Perlmutter, MD
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Your Success

We’re excited to showcase the success that our program has brought to your lives. Below, find first-person testimonials from people just like you about how the plans and wisdom contained in Grain Brain have changed your bodies, minds, and lives.

Whether a gluten-free diet has ended your experience with brain fog or cutting back on carbohydrates has improved your energy levels, we want to know about it! We welcome you to share your experiences with us at success@drperlmutter.com

April B.
October 29, 2014

April B.

I found Grain Brain at my local Costco and found that I could really relate my experiences with food with what you were describing. I had very strong cravings to eat all the time, and had known that when I w…
Jeffrey K.
October 29, 2014

Jeffrey K.

A gluten-free, low-carb lifestyle has been responsible for a major turn in my understanding of how what I eat affects my chances of having cognitive problems down the road. My father was a well-respected psy…
Dan E.
August 28, 2014

Dan E.

My wife Kate had long been suffering with, what I referred to as, an irritable bowel condition for quite some time. Her gastroenterologist after a colon exam, told her to eat a lot of “Bran Buds” every day a…
Patricia C.
August 28, 2014

Patricia C.

In Grain Brain, I found a book that had resonated with what I had for so long believed to be the truth about optimal health. Prior to reading, I had suffered from severe headaches since I was eleven. Once I…
Bob W.
August 10, 2014

Bob W.

When I was in my early 20s I was stricken with an extremely severe neurological disorder that destroyed my career as a cosmologist (a professional astronomer who studies the general nature and origin of the …
J.L.
August 10, 2014

J.L.

Reading Grain Brain changed my life forever. For the past five years, every three months, I have received botox or myoblock injections to treat my cervical dystonia. Though I received the injections, my hea…
Maryl O.
July 23, 2014

Maryl O.

Thank you for your research and for writing Grain Brain. I have been gluten-free for four weeks now and have lost 8 pounds. These were 8 stubborn pounds that I just could not dislodge for several years now -…
Eric S.
July 23, 2014

Eric S.

My wife and I are 60 years old. We saw your program, BRAINCHANGE, in March 2014 and subsequently purchased Grain Brain and made the dramatic shift to a gluten-free, grain-free approach to eating. We emptied …
Linda R.
July 12, 2014

Linda R.

My mother died 10 years ago of undiagnosed, untreated leaky gut. Even though she had obvious problems, the GI doctors had no idea what was wrong with her. It was a nightmare watching her suffer, and driving …
Mari M.
June 20, 2014

Mari M.

I quit eating wheat and gluten 11 years ago due to a positive test for sensitivity for both. Prior to that, I had constant bloating and “mystery” itches that no doctor could diagnose. As soon as I quit whea…