LYLE MCDONALD: HOW BIG OF A CALORIE SURPLUS DO YOU NEED TO BUILD MUSCLE? HOW TO MAXIMIZE MUSCLE GAIN & MINIMIZE FAT GAIN USING RFL DAYS | EP. 236
Chasing Clarity: Health & Fitness PodcastShow Notes
How much do you actually need to eat above maintenance to maximize muscle growth?
And once you’re eating enough to support hypertrophy, does pushing calories even higher build more muscle, or simply make you gain body fat faster?
In Part 2 of my Intermittent Modified Fasting series, I’m joined once again by Lyle McDonald to move beyond using IMF strictly as a fat-loss strategy and explore how some of these concepts can be applied across different phases of physique development.
We start with one of the most debated topics in evidence-based bodybuilding right now: how large of a calorie surplus is actually necessary to maximize muscle growth?
Lyle and I break down the research comparing different surplus sizes, realistic rates of muscle gain across different levels of training advancement, the estimated energetic cost of synthesizing new muscle tissue and why simply eating more doesn’t allow you to force-feed muscle growth.
From there, we take the IMF framework in a direction I found particularly interesting:
Could strategically placed Rapid Fat Loss days be incorporated into a Lean Building Phase to help control fat gain without compromising hypertrophy?
We discuss using a 6:1 approach where the majority of the week supports muscle growth while one strategically placed RFL day helps reduce the cumulative weekly surplus, how this compares with simply running periodic mini-cuts, and which individuals might actually benefit from this strategy.
Finally, we shift back into fat loss and revisit diet breaks. For years, diet breaks were promoted as a way to “reset” metabolism and reverse the physiological adaptations to dieting. But as more research has accumulated, that explanation has become increasingly difficult to defend.
That doesn’t mean diet breaks are useless. Instead, their biggest benefits may come from improving hunger management, training performance, psychological fatigue, adherence and giving someone an opportunity to actually practice eating at maintenance.
IN THIS EPISODE: HOW LARGE OF A CALORIE SURPLUS IS ACTUALLY NECESSARY FOR MUSCLE GROWTH? WHY YOU CANNOT FORCE-FEED MUSCLE GROWTH HOW MUCH MUSCLE CAN BEGINNER, INTERMEDIATE & ADVANCED TRAINEES REALISTICALLY GAIN? WHAT THE RESEARCH SHOWS ABOUT SMALL VS. LARGE CALORIE SURPLUSES WHY FASTER WEIGHT GAIN OFTEN MEANS MORE FAT GAIN, NOT MORE MUSCLE HOW TO DETERMINE WHETHER YOUR CALORIE SURPLUS IS ACTUALLY PRODUCTIVE LEAN BUILDING & MINIMIZING UNNECESSARY FAT GAIN USING RAPID FAT LOSS DAYS DURING A LEAN-BUILDING PHASE THE POTENTIAL 6:1 APPROACH: SIX BUILDING DAYS + ONE RFL DAY RFL DAYS VS. PERIODIC MINI-CUTS BODY RECOMPOSITION & WHO IS MOST LIKELY TO EXPERIENCE IT DIET BREAKS: PHYSIOLOGICAL VS. PSYCHOLOGICAL BENEFITS HOW DIET BREAKS MAY IMPROVE HUNGER, TRAINING PERFORMANCE & ADHERENCE WHY PRACTICING MAINTENANCE MAY BE ONE OF THE MOST UNDERRATED BENEFITS OF A DIET BREAK
The major theme running through this episode is that more is not automatically better.
More calories don’t necessarily mean more muscle. More restriction doesn’t necessarily mean a better diet. And more complexity doesn’t necessarily mean a better strategy.
The goal is understanding which nutritional tool fits the individual, their physiology, their psychology and the phase they’re currently in.
If your goal is to build more muscle while minimizing unnecessary fat gain, or to better understand how to periodize periods of surplus, maintenance and energy restriction across a long-term physique transformation, this episode is for you.
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