Endorsements
"The leading edge of medical research is focused on the fundamental role of our microbiome in influencing every aspect of health and longevity. In The Microbiome Diet, Dr. Kellman masterfully presents a life-enhancing, actionable plan based on this emerging science in a way that is user-friendly, for all of us."
— David Perlmutter, MD, New York Times bestselling author of Grain Brain
"Manage your microbiome for fast fat loss? Based on cutting-edge research, The Microbiome Diet shows you how optimal gut health can leave you lean, vibrant, sexy, and looking years younger. I couldn't put this book down!"
— JJ Virgin, CNS, CHFS, New York Times bestselling author of The Virgin Diet
"I am so excited by the release of Dr. Kellman's important new book. In clear, lucid writing, readers are elegantly transported to the cutting-edge science behind the microbiome and provided with practical, pragmatic advice that empowers them to employ simple techniques that will yield life-long benefit."
— Dr. Peter J. D'Adamo, NYT bestselling author, Eat Right For Your Type
"In The Whole Brain, Dr. Raphael Kellman shares his groundbreaking research, showing the intimate connections between the gut, microbiome, thyroid, and brain, and then offers a proven, holistic plan that doesn't rely on prescription medication."
— Mark Hyman, MD, Director, Cleveland Clinic Center for Functional Medicine
"After decades of treating patients for depression, gastrointestinal problems, low thyroid, and a multitude of other 'mysterious' ailments, pioneer in holistic and functional medicine Dr. Raphael Kellman has connected the dots between the brain, the gut, the microbiome, and the thyroid."
— Izabella Wentz, PharmD, #1 NYT bestselling author of Hashimoto's Protocol
As Featured In
A selection of Dr. Kellman's expert commentary and features across national outlets and publications.
Yahoo! Life
On pioneering "Microbiome Medicine" after 26 years as a physician of integrative and functional medicine, and what your gut is trying to tell you.
BK Reader
Tips for supporting the immune system, including common deficiencies in zinc, vitamin D, and selenium.
Yahoo Lifestyle
Four things that can negatively impact gut health — processed foods, antibiotic overuse, poor sleep, and excess drinking or smoking.
Refinery29
"The Time You Take Your Probiotics Matters" — on aligning probiotic timing with meal schedules.
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Real Simple
On brain fog as a sign of an imbalanced microbiome, driven by processed foods, antibiotics, sugar, and chemical fertilizers.
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SheKnows
On treating root causes — not just visible symptoms like fatigue, weight gain, irregular cycles, and insomnia.
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Sporteluxe
On shifting the balance of gut bacteria through The Microbiome Diet.
Gut Health Magazine
On resetting metabolism and gut health through The Microbiome Diet.
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Taste for Life
"Does Your Gut Always Steer You Right?" — featuring The Whole Brain.
Ask a New Yorker
Named New Yorker of the Month, June 2009, on New York City as a center of intellectual creativity.
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The Beet
"Can Taking a Probiotic Make You Lose Weight?" — on blood sugar support and metabolic health.
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PureWow
Tips for boosting immunity, including non-starchy vegetables, organic poultry, and pre/probiotics.
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Well+Good
On "inflamm-aging," its causes, and prevention through gut health, thyroid testing, and an anti-inflammatory diet.
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Well+Good
On how telemedicine adapted during COVID-19 and its limitations versus in-person exams.
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Hypothyroid Mom
"Dysbiosis and Thyroid Dysfunction" — how thyroid disease and the microbiome are intricately intertwined.
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Hypothyroid Mom
On the thyroid-microbiome relationship and the TRH Stimulation Test approach to thyroid testing.
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INTERCONNECTED
Featured speaker in the docu-series "Interconnected: The Power to Heal From Within."
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The Wall Street Journal
On when to trust your gut versus your rational brain, and how diet affects gut-brain signaling.
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Fox News
On coronavirus risk for people with underlying conditions, including Lyme disease.
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Fox News
On chronic fatigue syndrome — causes, symptoms, and healing the microbiome and thyroid to treat it.
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Real Simple
On foods to avoid for a healthy, balanced microbiome and its impact on mood, metabolism, and immunity.
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Real Simple
On the role of diet — prebiotic and probiotic foods — in supporting gut bacteria.
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SheFinds
A first-person account of a microneedling with PRP treatment at Raphael Kellman, MD.
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iNourish Gently
On how refined sugars and carbohydrates can cause a "food coma."
Thrive Global
On the microbiome connection between digestive disorders and cognitive problems.
Thrive Global
On what "Microbiome Medicine" means and why it matters for good health.
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Bottom Line Health
Featured author on "The Missing Link to Better Mood, Memory and More."
The Daily Telegraph
On how a microbiome-friendly diet can reduce anxiety and sharpen memory.
The Thyroid Autism Connection
On the connection between the thyroid, autism, and the microbiome.
Holistic Primary Care
On making clinical sense of the microbiome, B vitamin levels, and CNS communication.
Byrdie
"I Went on a 4-Week Gut Cleanse, and It Changed Everything," featuring The Microbiome Diet.
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Woman's World
On a microbiome-centered approach to weight loss and altering gut bacteria.
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Reality Sandwich
On the mind-body connection and unlimited health, explored through a functional medicine lens.
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Full Media Archive
Television
Fox News
Interviewed on the connection between gut bacteria, weight gain, and food cravings — with The Microbiome Diet and the Raphael Kellman, MD supplement line featured on screen.
Christian Broadcasting Network (CBN)
Discussed the microbiome and its significance for thyroid health with correspondent Lorie Johnson.
Local TV News (Lyme Disease Coverage)
Featured as an expert source in coverage of rising tick activity and Lyme disease cases across the Northeast.
Radio & Podcasts
SiriusXM — The Perri Peltz Show
Featured in a segment on Breast Cancer Awareness alongside Raphael Kellman, MD.
WCBS Radio (Pat Farnack)
Discussed the diagnostic challenges of Lyme disease as a recognized Lyme disease expert.
RadioMD — Wellness For Life
Featured in "Gut Feelings: Understanding How Food Affects Your Mood," exploring the gut-brain connection.
NEWSY
Interviewed by correspondent Maritsa Georgiou on the microbiome and functional medicine.
Books
The Microbiome Diet (2015)
Dr. Kellman's first book on the topic, credited as the original work that introduced and popularized the "microbiome diet" concept for gut health and sustainable weight loss.
Speaking & Events
Microbiome Medicine Summit
Creator and host of the Microbiome Medicine Summit (2016) and Summit II (2017), a free online educational series featuring interviews with 33 doctors and wellness experts on the science of the microbiome.
Print & Digital
U.S. News & World Report
Regular contributor writing on the microbiome, thyroid health, and functional medicine topics.
Authority Magazine (Medium)
Featured in the "Healthy To A Hundred" interview series on longevity and healthy aging.
Newswise
Profiled as a recognized medical expert on autoimmune disease, Lyme disease, and the microbiome.
National & Trade Press
Featured across top-tier print and online health and wellness publications, as part of nearly two billion cumulative media impressions.
This is a selection of Dr. Kellman's media coverage. For press inquiries or interview requests, please contact our office.