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

… for walkers, runners, cyclists and elite athletes

Launching MAF Foundations

Pre-register before Thursday October 29th to lock in a 15% early bird discount.

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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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20% Off the MAF HR+

Launch Special: 20% Off
Our new MAF HR+ Earbuds have landed. Your in-ear heart rate monitor and fitness tracker is lightweight, water and sweat resistant with incredible sound quality.


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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October 26, 2020

When high-fat isn’t high

“High fat” and “low fat” can still be confusing and impractical terms, especially considering that men and women respond differently. Here’s a simple explanation. (more…)
Fat-Burning JournalHealth
October 6, 2020

Calories, ketones and aging

Combine healthy food restriction with a great metabolism and the right physical activities to grow older more slowly — we really can influence aging! (more…)
October 1, 2020

MAF Guide to Heart Rate Monitors

Monitoring your heart rate during exercise is critical to the success of the MAF Method so it is important to get real time feedback using an accurate device. There are…

Activate your fat burning engine

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