Take charge of your health and fitness and personalize your approach.

… for walkers, runners, cyclists and elite athletes

Join millions of users around the world who follow Dr. Phil Maffetone’s MAF Method to build their maximum aerobic function – a personalized health and fitness methodology that is safe, scientific and sustainable for walkers, runners, cyclists & elite athletes.

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Burn fat for fuel

Dr. Phil Maffetone

Coach / Author / Innovator

Millions of people, from professional athletes in virtually every sport, to people of all athletic abilities have used the MAF Method of Dr. Phil Maffetone to build their fat-burning system.

I was constantly injured and really struggling. This all changed when I met Phil and started training at my MAF Heart Rate. My niggles cleared up and on race day, I destroyed the field!

Mark Allen6 Times World Ironman Champion

Dr. Maffetone is among the most innovative thinkers in the field of exercise science. His training program differs from so many others, with its focus not just on the next race, but on a lifetime of healthy living and exercising.

Tracy Beth Høeg, M.D., PhDPhysician Scientist

Safe. Scientific. Sustainable.

The MAF philosophy empowers individuals with the tools and the guidance to develop and strengthen the aerobic system – the body’s fat-burning engine responsible for supplying stable, long-term energy, leading to reduced body fat, improved physical and mental energy, and resilience to stress and disease.

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MAF HR+ Earbuds

We are close to launching our new MAF HR+ Earbuds. Lightweight, water and sweat resistant with incredible sound quality, they are a world first to measure heart rate and heart rate variability (HRV).


MAF Supplements

MAF Supplements are formulated with freeze-dried fruits and vegetables for a phytonutrient boost. There are no excessive dosages, no artificial additives and contain active vitamins like those found in food.

MAF Supplements

MAF Science

To help guide you through the MAF Method and achieve maximum aerobic function, Dr. Phil Maffetone has written 10 books and over 300 articles, research papers and podcasts on health, nutrition and lifestyle.

MAF Research

Knowledge base

Over 200 articles, recipespodcasts and research papers on health, nutrition and lifestyle

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Spinach SouffleNutrition
July 7, 2020

Global cuisine and the Two-Week Test

Personalize your eating style to work around cultural or geographical food choices (more…)
June 30, 2020

Herd Immunity: Mother Nature’s Vaccine

How the human population can develop its own natural defense to COVID-19 (more…)
June 16, 2020

Fasting update: friend or fad?

Natural fasting comes with many benefits, many of which we can even get without actually fasting! But the process must be personalized. (more…)

Activate your fat burning engine

View The MAF Method