Heavy vs Light Training for Muscle Gain: 60-Day Experiment
Delve into Jeremy Ethier’s experiment and find out how you can use proven strategies to grow muscle and boost strength safely.
Dr. Carl Juneau, PhD
A University of Montréal, London, and Harvard alum, Dr. Juneau is a former trainer for the Canadian Forces with a PhD in Public Health/Epidemiology.
Wrote 508 posts
How to Lose Belly Fat: Medical & Science-Based Tools
Science-backed ways to shrink your waist, reduce visceral fat, and improve your physique
2-Day Hypertrophy Workout Plans: Complete Guide
Discover the proven tips, smart tactics, and AI-powered tools you need to pack on muscle fast—no matter how busy your schedule gets.
Beat Your Genetics: Build More Muscle, Lose More Fat
Science-backed strategies to improve your muscle growth, shape your frame, and boost your results
Bodybuilding Off-Season: Optimizing Muscle & Recovery
Build more muscle and protect your progress with proven off-season strategies you can use today.
The Minimum Effective Dose: More Muscle in Less Time
Expert guide that helps you get bigger, leaner, and stronger with 10–60 minutes of lifting per week
Faster meal plans
Full release notes (iOS version 3.2509.1643 / Android 2051091643) * Improved: Meal plans load faster * Fixed: Wrong rest between workouts in rare cases * Fixed: Connection error after workout in rare cases * Fixed: 7 crashes in rare cases Coming soon * Apple Watch app
Science-Backed RIR Training: Build More Muscle, Smarter
Your smart guide to RIR and training closer to failure for more muscle and better gains.
Better exercise videos
Full release notes (iOS version 3.2509.0126 / Android 2051090125) * Improved: Exercise videos for Goblet Squat and Bulgarian Split Squat * Fixed: Workout already completed on open * Fixed: Two upper- or lower-body workouts in a row in rare cases * Fixed: 2 g of protein in meal plan in a rare
Exciting news: Major Android app update!
We’re thrilled to announce a huge update to our Android app, bringing it fully up-to-date with all the enhancements introduced on iOS over the past 10 months! Thank you for your patience during this extensive testing cycle—it’s important to us that everyone enjoys the very