“Rangan Chatterjee is a voice of calm, kind, common sense in a world of noise.”

Elizabeth Day

Novelist and Podcast Host

“One of the most influential doctors in the country”

CHRIS EVANS

Radio DJ & TV Presenter

“Comprehensive, empowering and grounded in scientific research, with typically elegant style.”

MATTHEW WALKER

Best-selling author of Why We Sleep

“Rangan’s new book is full of useful advice on how to stay calm and live a happier, more fulfilled life.”

MICHAEL ACTON SMITH

Founder of CALM

“Rangan’s easy, common-sense plan can help everyone live a happier, healthier life.”

JAMIE OLIVER

On The 4 Pilliar Plan

Chef, Restaurateur and Best-Selling Author

“I’m not sure there’s a doctor on the planet today I have more confidence in than Rangan. We all need to hold a megaphone to this man’s powerful voice.”

KELLY BROGAN

MD, NYT bestselling author of A Mind of Your Own

“Rangan is revolutionising the way we think about health. He will make you feel better than you have in years.”

AMELIA FREER

No.1 Best-selling author and Nutritional Therapist

“Dr Rangan Chatterjee has an inspiring vision for making vibrant health achievable for everyone. He is
undoubtedly in the vanguard of the new medicine, and I cannot support him more strongly.”

DALLAS HARTWIG

New York Times bestselling author of The Whole30

“Dr Rangan Chatterjee knows the science in great depth, but more importantly he’s evangelical about giving his patients and his readers a way of applying it to their own lives.”

MARK HYMAN

On Make Change That Lasts

MD Director, Cleveland Clinic Center for Functional Medicine