
Forever Fit is your guide to rebuilding strength, energy, and confidence at any stage of life.
For the first time, I’m sharing the proven plant-based strategies we’ve used to help over 1,100 clients transform their bodies and health through our coaching program, now in book form.
Learn how to improve your body composition, boost vitality, and create sustainable habits that keep you thriving for years to come


“Maxime Sigouin is a great resource for building a strong body with a whole-food plant-based approach. This book will show you the exact blueprint to follow to achieve your health and fitness goals utilizing plants."
— Carleigh Bodrug, New York Times bestselling author of PlantYou and PlantYou Scrappy Cooking

“Forever Fit is my go-to book that explains the real risk of being under-muscled. Maxime not only lives and breathes his exact protocol – but he’s also helped hundreds of people change their body composition with stellar results. He is my go-to expert on body recomposition while eating a whole-food, plant-based diet. If I could give this book ten stars, I’d do it in a heartbeat.”
— Cyrus Khambatta, PhD, New York Times bestselling coauthor of Mastering Diabetes

“As a lifestyle medicine physician who has guided thousands of patients toward better health using a whole-food, plant-based diet, I know what works, and Maxime Sigouin’s approach works. I’ve not only referred patients to his Mavy Wellness program with excellent results, but I’ve also experienced his coaching firsthand.
What sets Maxime apart is his deep understanding that real transformation isn’t just about nutrition or workouts, it’s about mindset, systems, and sustainability. Forever Fit is the book I wish many of my patients had on day one of their health journey. It’s practical, evidence-based, and rooted in compassion. Whether you're a seasoned plant-based eater or just getting started, this is the blueprint to reclaim your health and build a strong, vibrant life, at any age.”
— Laurie Marbas, MD, MBA Double Board-Certified in Family & Lifestyle Medicine. Founder, The Habit Healers

“Maxime has helped countless people embrace a plant-based lifestyle while building strength, stamina, and lasting health. With his signature blend of knowledge, inspiration, and practical strategies, he shows how anyone—at any stage of their journey—can thrive on plants and unlock their full potential. More than just a guide to eating well and working out, this book is a roadmap to sustainable vitality, grounded in science and lived experience.”
— Rip Esselstyn, New York Times bestselling author of Plant-Strong

"Forever Fit is the masterwork of the Mavy Wellness coaching team—a group reshaping lives through their wisdom and lived experience. At the helm, Maxime stands as the visionary architect, chiseling out a program that is as practical as it is transformative. This book isn’t just advice—it’s a clear, actionable blueprint for thriving on a plant-based diet. If you’re serious about unlocking your full potential, listen closely to what Maxime has laid out here.”
— Dotsie Bausch, Olympic Silver Medalist, 8-time U.S. National Cycling Champion, World Record Holder, Switch4Good non-profit Founder

“In more than forty years as a plant-based physician, I can say with confidence that nothing has helped prevent and arrest disease like the impact of a diet rich in plant foods, supported by a robust exercise routine, which creates a winning combination for life. Maxime Sigouin has harnessed the power of plants to fuel his passion, and in turn, he has helped thousands of others get the most mileage from their active lifestyles by adding more plants to their plate. Forever Fit is your blueprint to take your health and fitness to the next level, and his coaching program is the one I strongly recommend to my audience.”
— Dr. Michael Klaper, physician, author, and vegan for more than 45 years

“As someone who’s thrived on a plant-based diet for nearly five decades, I can assure you plants give you everything you need to live well. Who knew kale could build both muscles and momentum? Maxime did – and Forever Fit shows you how.”
— Chef AJ, bestselling author, YouTube host, and vegan since 1977

“Forever Fit gives you everything you need to excel in your athletic endeavors and achieve the best of health simultaneously. Maxime Sigouin packs the full measure of his knowledge into this extraordinary volume, with evidence-based science, integrity, and a heavy dose of compassion. I highly recommend it.”
— Neal D. Barnard, MD, FACC Adjunct Professor of Medicine, George Washington University School of Medicine
President, Physicians Committee



Meet our Founder and CEO Maxime Sigouin
Maxime founded Fit Vegan Coaching after losing his late partner to a 4.5-year battle with breast cancer. Her passing ignited his mission to help others avoid a similar fate by embracing an active, whole-food, plant-based lifestyle.
Driven by this purpose, he created Fit Vegan Coaching, a company dedicated to helping 10,000 people get lean, thrive, and reduce their risk of chronic illness through plant-based nutrition by 2033, with a bold vision of reaching 1 million by 2050.
Over the past five years, Fit Vegan Coaching has guided more than 1,100 + vegans and plant-curious individuals through complete body and health transformations. Today, it stands as one of the world’s leading whole food, plant-based body recomposition coaching programs.
He is also the host of the Maxime Sigouin podcast, a basketball player and husband to his incredible wife Ivy Teves-Sigouin and they are both proving to the world what’s possible when you fuel your body with plants.

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“Maxime is the real deal. He didn’t abandon me when my health was struggling. Instead, he
and his program helped lay out a blueprint for building my way back stronger and healthier
than ever. I’m just one of the thousands he’s helped. You can be next!”

Host of The Exam Room Podcast
“This book gives you everything you need to excel in your athletic endeavors and achieve the best of health simultaneously. Maxime Sigouin packs the full measure of his knowledge into this extraordinary volume, with evidence-based science, integrity, and a heavy dose of compassion. I highly recommend it.”

Author, Plant-Based Athlete
“What sets Maxime apart is his deep understanding that real transformation isn’t just about weight loss; it’s about mindset, systems, and sustainability. Becoming a Fit Vegan is the book I wish many of my patients had on day one — practical, evidence-based, and rooted in compassion.”

Physician & Health Coach






"Forever Fit is more than a fitness manual; it’s a roadmap to reclaiming your health, confidence, and agency through a science-backed, plant-exclusive approach to nutrition and training. Maxime doesn’t just teach you how to change your body, he shows you how to change your life. He breaks through the myths that strength and muscle are incompatible with vegan living and replaces them with a clear, proven blueprint for achieving peak fitness, building lean muscle, and restoring metabolic health, all while aligning with compassion and sustainability. As someone who studies how nutrition, environment, and mindset drive behavior and healing, I can say without hesitation that Maxime’s system works. His coaching framework isn’t about restriction or ego; it’s about building strength from the inside out. This book shows you how to transform your body and your life with the power of plants and the precision of purpose. Read it. Apply it. Live it.”

Keynote Speaker and Nutrition and Addiction Researcher and Lecturer
“Maxime has created something truly impactful with Forever Fit. It’s not just about building a strong body with plants—it’s about creating a lifestyle that’s healthy, sustainable, and deeply empowering. His approach feels like a breath of fresh air and makes the path to transformation clear, doable, and inspiring. I know this book will help so many people break free from the noise of diet culture and discover how powerful a plant-strong life can be.”

Founder of Sexy Fit Vegan
“What’s best about Maxime’s approach is that he emphasizes the fundamentals first. This book lays a solid foundation, guiding readers through the core principles of sustainable weight loss on a plant-based diet before moving into the finer details. That grounding in the basics, paired with practical strategies, makes it an empowering and reliable resource for anyone ready to make lasting change.”

Doctor of Naturopathic Medicine
“Maxime’s commitment to elevating health and fitness with a whole-food, plant-based diet is also part of his quest to raise a consciousness that is the gold standard for what it means to truly live an authentic, healthy life. Forever Fit is an outstanding source of motivation that encompasses a wide range of physical, mental, and psychological strategies that will inspire you to want to create your own life-changing transformation. I highly recommend this book, and I wholeheartedly support anything that Maxime does to make the world a better place.”

Author of Weightless and Director of Health Education for the National Health Association
“When it comes to understanding the nuances of achieving health and fitness goals on a plant-based diet, nobody knows it better than Maxime Sigouin. Not only has he lived a fit vegan lifestyle for more than a decade, while excelling in many different sports, but he has also coached more than a thousand people in their quest to improve their fitness too. As a fellow plant-based athlete committed to carving out my own path by walking my talk and letting my actions speak for themselves, Maxime has been a role model in this community. Read Forever Fit for a data-driven approach to thriving on a plant-based diet.”

World-Record Holding Ultramarathon Runner
“Maxime and his Mavy Wellness coaching program pulled me out of a physical and emotional slump, so I can wholeheartedly recommend this book to anyone who wants to look better, feel better, and live better. This is a program you can quite easily follow for the rest of your life, and I guarantee you will be happier, healthier, and hotter.”

Actress and Host of the Switch4Good Podcast
“What I appreciate most about Maxime is his dedication to evidence-based science in nutrition and exercise. It’s tempting to fall back on dogma or let personal biases shape our choices, but Maxime takes a different approach. He puts people first and lets the data lead the way. That’s what makes Forever Fit such a unique resource that will stand the test of time.”

Medical Director of Barnard Medical Center
“Maxime Sigouin understands that true transformation doesn’t start in the gym or with what you eat—it begins in the mind. Forever Fit is an inspiring, evidence-based guide to developing a strong, healthy body and a sustainable lifestyle grounded in clarity, intention, and purpose. It’s a blueprint for lasting strength and vitality at every stage of life.”

Plant-Based Trailblazer, Bestselling Author, and Speaker
“Maxime Sigouin is a rock! His personal transformation is nothing short of miraculous. He's a world-class resource for anything related to body composition on a plant-based diet. I love the way he coaches people through a fitness program following a whole-food, plant-based approach. He’s sharing his transformation secrets with the rest of us. Forever Fit will give you a head start in your quest to become the healthiest version of yourself. Read this book, apply what you learn, and lead by example to inspire the next person. Thank you, Maxime! This is an awesome book!”

Bestselling Author of The Sprout Book
“After decades of working with thousands of clients to transform their health, fitness, and overall well-being, I can say with confidence that Maxime Sigouin is the real deal. His deep understanding of plant-based nutrition—combined with his mastery of mindset and sustainable behavior change—sets him apart as a true leader in the plant-based fitness world. What makes Maxime exceptional isn’t just his expertise, but his heart. He leads with authenticity, passion, and a genuine commitment to helping others thrive. Forever Fit is more than a guide—it’s a roadmap to becoming your strongest, healthiest, and most empowered self.”

The Healthspan Dietitian©, and Author of The Choose You Now Diet and The Complete Idiot’s Guide to Plant-Based Nutrition
“Better heart health comes from consistent basics: nourishing food, daily movement, quality sleep, and supportive community. Forever Fit turns them into a plan you can follow—clear steps, steady accountability, and momentum you’ll notice in your labs and your life."

Author of Selfish
“Maxime turns tofu and tempeh into triumph and transformation. Forever Fit will get you stronger, healthier, and more inspired than ever to live—and lift—with purpose."

CEO of The Better Meat Co. and Author of Clean Meat
“Maxime Sigouin is grounded, wise, and deeply committed to helping others rise. In Forever Fit, he distills years of lived experience and coaching success into a practical, inspiring roadmap for transformation. This book is for anyone who wants to build strength, reclaim health, and live a purpose-driven life. Maxime’s message is clear: your best self is waiting, and it starts with plants, movement, and belief.”

Cofounder of Food Revolution Network and Author of 31-Day Food Revolution
“Maxime Sigouin’s Forever Fit is the definitive, science-backed solution I have been waiting for. He is a pioneer who understands that health is an integrated ecosystem. As a physician, I deeply appreciate the strategic, nuanced approach of his 5-Phase Fit Blueprint. The emphasis on reverse dieting is brilliant—it’s metabolic rehabilitation that allows the body to optimize its calorie burn, making long-term maintenance not just possible but enjoyable. This book is a masterclass in building a resilient health span. It blends cutting-edge exercise science and optimal plant-based nutrition with the critical mindset shifts needed to overcome the cycle of 'all-or-nothing' dieting. If you are serious about transforming your body composition, extending your health span, and finally matching your compassionate diet to a truly powerful physique, this book is your essential roadmap. Highly recommended to every plant-based enthusiast and patient of mine."

Gastroenterologist and Plant-Based Health Expert
"Forever Fit is an inspiring guide for anyone ready to live with more energy, strength, and purpose. Maxime beautifully captures the power of plants—not just to transform your body, but to awaken your mind and spirit. He shows that true health begins with compassion and grows through consistency, proving that when we fuel ourselves with whole, plant-based foods, we unlock our full potential. This book is a testament to what’s possible when we live in alignment with nature and our values. A must-read for anyone ready to unlock the power of plants and become the best version of themselves."

Cofounder of Eat SuperPlants and Coauthor of Your Super Life
“Forever Fit is the best book on this topic, and it is poised to leave an indelible mark on readers for years to come. What I find so fascinating is that Maxime Sigouin has created a body composition program that has worked for thousands of people, and it can work for you too. If you’re looking to burn fat, build muscle, and improve your fitness and longevity, this program works, and this is clearly the book for you.”

National Bestselling Author of Plantifully Lean and Plantifully Simple
"Forever Fit isn’t just a book about health; it’s a manifesto for living intentionally. Maxime understands, as I’ve learned through decades of endurance, leadership, and mindful living, that fitness is not a goal to be achieved; it’s a way of being. To live intentionally is to live fit in body, mind, and spirit, aligned with purpose, fueled by discipline, and sustained by compassion. Maxime’s message reminds us that we don’t chase longevity or performance; we cultivate them through the daily choices that define who we are and how we show up. His work beautifully captures the truth that has guided my own journey: when we live in alignment with our values and act with purpose, we become forever fit in our health, our mindset, and our humanity.”

CEO of Raynmaker, Ultra-endurance Athlete, and Author of Living Intentionally
"Maxime is one of my go-to sources for all things fitness and nutrition, and I’m thrilled he’s gathered his wisdom into one essential guide. What sets Maxime apart isn’t just his mastery of the science—it’s his kindness and generosity. He makes the complicated simple, the theoretical practical, and the overwhelming doable. Every chapter is grounded in evidence and brimming with tools, inspiration, and step-by-step guidance you can apply immediately.

Bestselling Author and Host of Food for Thought Podcast
“As a gastroenterologist, I see every day how what we eat shapes our health, energy, and longevity. In Forever Fit, Maxime Sigouin brings together the science of plant-based nutrition with the practical tools people need to build strength, resilience, and confidence. This isn’t a fad or a quick fix; it’s a clear, compassionate blueprint for thriving on plants. If you want to take charge of your health and feel your best, then buy this book!”

Gastroenterologist and Author of The Plant-Based Diet Revolution
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