David Perlmutter

David Perlmutter is a Naples, Florida, based American celebrity doctor and author.

Perlmutter is the author of health books, and is known for advocating a functional and holistic approach toward treating brain disorders. Perlmutter serves as a medical advisor for The Dr. Oz Show and Men's Health.

Perlmutter wrote the book Grain Brain, released in September 2013, promoting the concept that gluten causes neurological conditions, which became a bestseller.

Although not primarily a medical researcher, he has published in the medical literature. He was the president of the Perlmutter Health Center until its sale in 2015.