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Episode
Exercise Scientist Critiques Louie Simmons & Westside Barbell Training
~28 min
Episode Brief·YouTube

Exercise Scientist Critiques Louie Simmons & Westside Barbell Training

Mike Israetel
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TL;DR

The four things you'd lose by not watching

4 items

TL;DR

The four things you'd lose by not watching

4 items
1

Louie Simmons' Westside template revolutionized equipped powerlifting by solving ~80% of the training differences from raw lifting, making it indispensable for squat suit, deadlift suit, and bench shirt performance.

2

For equipped lifts, supportive gear only functions properly above 90% of 1RM, so consistent heavy training ('circumax') is not optional but a fundamental requirement for progression.

3

Anabolic steroids provide only a 10–15% strength boost above natural peaks; genetics and years of hard training are far more decisive for world-class totals than drug use alone.

4

Mike Israetel transitions from past criticism to a balanced appreciation of Louie's legacy, while promoting the RP Hypertrophy app and the custom-designed Hyper Belt for bodybuilders.

Protocols

Concrete recipes — what, when, how much, and why

2 items

circumax-heavy-training-equipped

WhatTrain near or at your one-rep max frequently, at least many weeks per year, because equipped gear (squat suit, deadlift suit, bench shirt) only functions correctly when loaded above 90% of 1RM.
WhenConsistently throughout the year; Louie's template involved maxing out every week, 52 weeks a year.
DoseAt minimum, work sets must exceed 90% of your equipped 1RM; full max singles are common. No specified rep scheme beyond 'heavy as possible.'
For whomEquipped powerlifters and coaches designing programs for equipped lifting.
WhyThe suits and shirts have a specific force curve that only engages properly under extremely high loads; lighter weights won't allow the gear to stretch and rebound correctly, and you miss the necessary stability adaptations for ultra-heavy lifts.
CaveatsRaw lifters do not need this frequency or intensity and can get strong with submaximal training. Also, high-frequency maxing increases injury risk if recovery or technique is insufficient.

Mike explains that in raw lifting, you can build strength effectively using doubles and triples without maxing out. However, in equipped lifting, the gear is designed to store and return energy only when the bar is heavy enough to deform the suit/shirt deep into the movement. If you try to train with 70-80%, the suit either doesn't stretch at all on the descent, making you unable to hit depth, or doesn't provide the usual pop on the ascent, leading to a completely different technique. Therefore, Louis Simmons' insistence on frequent heavy training (what he called 'circumax') wasn't reckless; it was a necessary solution to the physics of specialized equipment. The Westside method's sustainability came from rotating exercises and using accommodating resistance (bands/chains) to manage fatigue while still exposing lifters to peak forces.

Mechanism

The mechanical properties of supportive gear (elastic rebound, stopping power at depth) are load-dependent: below 90% the suit/shirt doesn't stretch enough to provide the assistive force curve, altering movement pattern and feel. Consistent heavy loading also drives neuromuscular adaptations specific to maximal force production and stability under extreme loads, which lighter work cannot replicate.

Your equipment, your bench shirt, your squat suit, your deadlift suit does not work properly as designed unless you are in excess of 90% of your one rep max.

Also said
“So, in order to test the equipment out and in order to expose yourself to the whole force curve and in order to challenge your stability at ultra heavy loads, there's no real good way of doing that other than lifting ultra heavy loads.”— Expands on the rationale beyond gear fit, including stability and force curve familiarity.
“Louisie was a genius in the respect that he found a way to sustainably go as heavy as possible for as long as possible. Specific adaptations to imposed demands, the specificity principle is undefeated.”— Praises sustainability and principle behind practice.

individualize-pre-workout-meal-timing

WhatExperiment with eating timing and amount before workouts to maximize performance without gastrointestinal distress; there is no one-size-fits-all rule.
WhenBefore training sessions.
DoseVary: eat a larger meal further out if you need energy, or smaller/less close to the session if you feel sick.
For whomAll lifters.
WhyPerformance depends on comfort; individual gut sensitivity and gastric emptying rates differ.
CaveatsPay attention to body signals and adjust.
Personal experience

I threw up when eating a big breakfast right before training legs with Dave Tate's crew; now I prefer an empty enough stomach to not feel my guts sloshing.

If you feel kind of sick, eat less, eat further away. If you feel like low energy, eat more, eat closer to the workout. It's really all to personal preference at this point.

What's new

Personal practice updates, fresh positions, predictions

5 items

balanced-appreciation-of-contrarian-innovators

Mike shifts from purely negative 'hate content' to a measured, positive evaluation of Louie Simmons, acknowledging both genius and wackiness.

Why this matters: Contrasts with his earlier stance and signals a new content philosophy of learning over talking shit.

Background

Previously, Mike would methodically debunk Louie's claims on other channels, focusing on perceived bullshit. Now he aims to learn and have fun rather than tear down.

Mike admits that he used to call out Louie's bullshit when everyone was drinking the Kool-Aid, but now he's leaning into positivity. He argues that everyone, including himself, has bullshit, but Louie's contributions to equipped powerlifting are undeniable. The change is partly a personal evolution, partly a recognition that relentless negativity attracts well-deserved backlash. He aims for a balance, reserving occasional shit-talking but primarily highlighting what can be learned.

Personal experience

He says, 'We've done plenty of hate content and attracted our fair share of well-deserved attention for being hateful fucks... We could have ragged on Louis blah blah blah and I've done that before.' He now chooses to frame the video as 'better off learning shit and having some fun together than we are talking shit.'

We could have ragged on Louis blah blah blah and I've done that before. Uh I've reviewed Louis uh various things on other folks channels way back in the day with a huge degree of skepticism because a lot at some point everyone was drinking Louis Kool-Aid and they wouldn't call him out on his bullshit.

steroid-strength-limited-gain

Contrary to popular myth, anabolic steroids add at most 10-15% to maximal strength over a fully realized natural peak; they do not magically multiply one's lifting numbers.

Why this matters: Directly challenges the common belief that steroids are the primary driver of elite strength, reframing genetics and base training as bigger factors.

Background

Many viewers assume that any record-breaking strength is nearly all steroids. Mike uses study data and case examples like John Haack to argue otherwise.

Mike emphasizes that studies repeatedly show strength increments of about 10-15% above natural potential, while muscle mass gains are more dramatic. For example, a natural 220 lbs lifter who can bench 400 after a decade is unlikely to reach 500 on steroids; the base had to be there. He recounts his own powerlifting to bodybuilding transition: he did impressive lifts drug-free on very low doses, and when he started steroids, his strength increases were 'very modest' because he was training higher reps. John Haack's journey—breaking records drug-free then adding ~10% more after going on—illustrates that steroids scale from an already elite baseline, not create one. This message is partly aimed at young lifters who might risk side effects for delusional gains.

Personal experience

I did a lot of my impressive lifting drug-free on very low doses. And so the idea that steroids you take them and they just make you like infinitely stronger... is a whole pack of lies. ... I started taking steroids, I was at the end of my powerlifting career... and I got stronger, but I was training more for high reps... my strength increases were like very modest.

In study after study after study, 10 to maybe 15% gains of strength above natural peak is what steroids give you.

Also said
“If drug-free after a decade of lifting at 220, you're not already benching somewhere in the 400s, it is highly unlikely that steroids are going to get you to bench 500.”— Sets practical threshold for natural base needed to reach elite numbers with drugs.
“That a really good example is John Hack... he was drug-free for a very long time and broke every world record up and down 10 weight classes and then he got on drugs and got like, yep, like 10% stronger and broke a bunch more world records.”— Case study validating the limited strength boost from PEDs.

pre-workout-breakfast-timing

Mike shares a personal horror story of eating a big breakfast with Dave Tate's crew then training legs immediately, leading to vomiting and diarrhea; he advises individual preference over dogma.

Why this matters: Contrasts the Westside tradition of communal pre-workout breakfasts with scientifically supported individualization of meal timing.

Background

Westside members were shown eating breakfast together four times a week at 6 AM before training. Mike's experience with Dave Tate's similar routine highlights that what works for some may backfire for others.

Personal experience

I ate a whole bunch of food... after about 20 minutes they wrapped up the conversation and they're like okay time to go train. And I was like, 'Oh, shit, shit, shit.' And it was legs for me. And dude, you guys, like, I threw up. I had a little bit of that diarrhea... It was awful.

I like to uh train on not empty stomach hungry, but empty enough stomach to like not feel my guts all over the place.

Also said
“If you feel kind of sick, eat less, eat further away. If you feel like low energy, eat more, eat closer to the workout. It's really all to personal preference at this point.”— His science-based recommendation for meal timing.

equipped-lifting-harder-than-raw

Mike states that while equipped lifting + drugs yields the highest numbers, the process itself is far more demanding and less straightforward than drug-free raw training.

Why this matters: Challenges the narrative that equipment and PEDs make strength easier; instead, he frames them as increasing difficulty and complexity.

Background

He has experience in both modalities, having done equipped powerlifting and plenty of drugs, as well as raw drug-free lifting.

Mike argues that equipped lifting and steroid use amplify results but also massively complicate the training process: gear requires specific heavy loads to function, managing drug regimens adds layers of physiological and logistical burden, and the risk/injury potential is higher. He contrasts this with raw, drug-free training, which he calls 'by far the easiest of all of these ways of approaching it.' This reflects his broader point that people who assume elite equipped lifters have it easy are mistaken; the lifestyle is more grueling, not less.

Personal experience

I've done equip lifting. I've done plenty of drugs. Uh raw lifting, drug-free, is not going to get you the best absolute results, but it is by far the easiest of all of these ways of approaching it.

Equip lifting and steroid use makes the results better, but it makes the entire process way harder and way more annoying.

roid-rage-baldness-myths

Mike confirms that steroids can increase aggression, especially in sensitive individuals like himself, but roid rage is mostly exaggerated; male pattern baldness is genetic and not universally accelerated by steroids.

Why this matters: Gives a nuanced, personal take on two emotionally charged steroid side effects, challenging both extreme demonization and denial.

Background

Louie Simmons downplayed roid rage and pointed out most men bald. Mike refines: aggression is heightened but mostly internal; Jay Cutler keeping full hair shows genetic protection.

Mike explains that steroids don't turn users into Bane-like monsters, but they do elevate the probability and magnitude of aggressive thoughts, especially for those sensitive to androgens. He says that in his own experience, the aggression 'starts and ends as a thought in your head.' He also clarifies that if you're not genetically predisposed to male pattern baldness, steroids won't cause it; they only accelerate loss in those already at risk. He cites Jay Cutler as a living refutation. He cautions against both hysterical and dismissive narratives.

Personal experience

Especially if you're a kind of person that's sensitive to the shit, me, yeah, absolutely they do. And most of that like starts and ends as a thought in your head.

The roid rage thing is wildly overexaggerated but real. ... Do steroids increase your degree of probability and magnitude of aggression when you take them. Especially if you're a kind of person that's sensitive to the shit, me, yeah, absolutely they do.

Also said
“For people not at risk, steroids do not enhance the risk of baldness. And some people just won't get bald on it. evidence Jay Cutotler exists. Full head of hair. Son of a bitch.”— Explicitly states baldness is genetic, with celebrity example.
Disclosed sponsorships2speaker disclosed

RP Hypertrophy App

Product Sponsored · disclosed

Mike promotes the app as having guided exercise videos and adaptive programming for hypertrophy.

DisclosureSponsor of the video; Mike owns RP Strength.

The app provides all workouts in one place and evolves over time to suit user needs, removing guesswork from programming. It's positioned as a tool for anyone wanting to gain muscle without needing to design their own plans.

The RP Hypertrophy app has all of your workouts displayed in one place with guided videos on exercise techniques and a program that evolves to better suit your needs the longer you use the app. All you have to do is follow the plan right on your phone and get the gains.

Find RP

Hyper Belt

Tool Sponsored · disclosed

A powerlifting-style belt redesigned for bodybuilding and hypertrophy training, offering both support and breathability.

DisclosureDesigned by Mike Israetel and IFBB Pro Jared Feather; made by VersaGrips, a sponsor.

Mike explains that traditional powerlifting belts are too rigid and uncomfortable for high-rep bodybuilding work, while generic 'weightlifting' belts pinch and are poorly shaped. The Hyper Belt is his solution: it's tall, 360-degree support, adjustable, and designed to not restrict breathing during long sets. It's marketed as both functional and aesthetic ('sexy as hell').

vs alternatives

Unlike typical weightlifting belts that are too skinny on one end and too fat on the other, or powerlifting belts that aren't suited for sets of 30, this belt breathes with you but is super tight.

Personal experience

exclusively by myself and IFBB Pro Jared Feather to be the ultimate belt for hypertrophy training.

The Hyper Belt from the same fine folks that make you VersaGrips and are our sponsor have a Hyper Belt that was designed exclusively by myself and IFBB Pro Jared Feather to be the ultimate belt for hypertrophy training.

Also said
“You can use it for sets of five. You can use it for sets of 30. It breathes with you, but it's super tight. It's completely adjustable. And it's nice and tall. It gives you 360° of core support and makes you look, I must say, sexy as hell while you're using it.”— Details features and unique selling points.
Find Hyper

Notable quotes

Lines worth pulling out — contrarian, specific, or perfectly phrased

5 items
It's not against the rules to take drugs.
Mike affirms Louie's point that Westside competed in untested federations, making drug use permissible within the sport's framework.
Equip lifting and steroid use makes the results better, but it makes the entire process way harder and way more annoying.
Flips the script: elite equipped lifting isn't a shortcut but a more grueling path than raw, drug-free training.
If drug-free after a decade of lifting at 220, you're not already benching somewhere in the 400s, it is highly unlikely that steroids are going to get you to bench 500.
A concrete, falsifiable statement that strips steroids of their magical reputation, emphasizing natural baselines.
Louisie was a genius in the respect that he found a way to sustainably go as heavy as possible for as long as possible. Specific adaptations to imposed demands, the specificity principle is undefeated.
Captures the core reason Louie's method worked: it forced the exact adaptations required for equipped lifting through relentless specificity.
I've done equip lifting. I've done plenty of drugs. Raw lifting, drug-free, is by far the easiest of all of these ways of approaching it.
A rare, candid hierarchy of difficulty from someone who has lived all three modes, undercutting the notion that drugs simplify the sport.

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Topics covered

westside-barbelllouie-simmonsequipped-powerliftingcircumax-trainingpowerlifting-gear-mechanicsspecificity-principlesteroids-strength-mythjohn-haacknatural-base-strengthpre-workout-nutritionroid-ragemale-pattern-baldnessjay-cutlerdave-taterp-hypertrophy-apphyper-beltdrugs-in-sports-ethicsraw-vs-equipped-liftingwestside-gym-culture
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Educational summary of the cited expert source — not medical advice. Open the source recording linked above and consult a qualified physician before acting on any protocol.