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Jeremy Ethier

Jeremy Ethier

341 videos7.9M subscribers

This channel is focused on providing science-backed training and nutrition videos in order to help you become the best version of yourself. I'm a fitness coach, Kinesiology graduate, and published researcher based in Vancouver, Canada. I focus on providing science-based information to help you optimize your training and nutrition. Get your personalized training and nutrition plan here: https://builtwithscience.com/

Recent Videos (50 of 342)

I Gave Him Fake Steroids For 100 Days

I Gave Him Fake Steroids For 100 Days

Why You Store Fat Here, And How To ACTUALLY Lose It

Why You Store Fat Here, And How To ACTUALLY Lose It

It's Weird, But It Destroys Your Body Fat In 30 Days

It's Weird, But It Destroys Your Body Fat In 30 Days

It’s Dumb, But It Builds Muscle Almost 4x Faster

It’s Dumb, But It Builds Muscle Almost 4x Faster

I Proved My 6-Pack Abs Diet Works For ANYONE

I Proved My 6-Pack Abs Diet Works For ANYONE

It's Weird, But It Re-Builds Your Tendons In 30 Days

It's Weird, But It Re-Builds Your Tendons In 30 Days

How Running Completely Changes The Human Body

How Running Completely Changes The Human Body

Targeting Belly Fat Is... Possible?! (NEW Study)

Targeting Belly Fat Is... Possible?! (NEW Study)

I Proved People Have NO Idea How Many Calories They Eat

I Proved People Have NO Idea How Many Calories They Eat

If You Can't Do This, You're Not Fit (Even If You Look It)

If You Can't Do This, You're Not Fit (Even If You Look It)

It's Tough, But It Gets You Abs In 60 Days

It's Tough, But It Gets You Abs In 60 Days

The Fastest Way to Gain 20 lbs Of Muscle (Naturally)

The Fastest Way to Gain 20 lbs Of Muscle (Naturally)

World's Most Boring Diet (Actually Works)

World's Most Boring Diet (Actually Works)

I Transformed My Wife's Body In 90 Days

I Transformed My Wife's Body In 90 Days

I Tested 3 Muscle Building Diets, Only 1 Was Worth It

I Tested 3 Muscle Building Diets, Only 1 Was Worth It

3 Guys Train Forearms Everyday - Only 1 Was Worth It

3 Guys Train Forearms Everyday - Only 1 Was Worth It

It's Boring, But It Destroys Your Body Fat In 30 Days

It's Boring, But It Destroys Your Body Fat In 30 Days

The ONLY Workout You Need For 2026 (Do This 3x/Week)

The ONLY Workout You Need For 2026 (Do This 3x/Week)

If I Wanted to Get Shredded By Christmas, I'd Do This

If I Wanted to Get Shredded By Christmas, I'd Do This

NEW Walking Method 2x Better Than Running?! (Tested)

NEW Walking Method 2x Better Than Running?! (Tested)

The ONLY 2 Exercises You Need to Fix Your Flat Butt

The ONLY 2 Exercises You Need to Fix Your Flat Butt

The Muscle Building Myth Everyone Fell For (NEW Study)

The Muscle Building Myth Everyone Fell For (NEW Study)

Every Supplement That Builds Muscle Faster Than Protein

Every Supplement That Builds Muscle Faster Than Protein

The 6 Exercises That Grow Every Muscle (ALL YOU NEED)

The 6 Exercises That Grow Every Muscle (ALL YOU NEED)

How to FORCE Your Brain to Let Go Of Fat

How to FORCE Your Brain to Let Go Of Fat

You're Wasting Your Money On Protein (NEW RESEARCH)

You're Wasting Your Money On Protein (NEW RESEARCH)

LIGHT vs HEAVY Weight: 60 Day Experiment 🤯

LIGHT vs HEAVY Weight: 60 Day Experiment 🤯

I Trained One Side HEAVY vs LIGHT (60 Day Experiment)

I Trained One Side HEAVY vs LIGHT (60 Day Experiment)

Why Some Guys Build Muscle 3x Faster (How You Can Too)

Why Some Guys Build Muscle 3x Faster (How You Can Too)

How I Got A Beginner JACKED In 100 Days (NO GYM)

How I Got A Beginner JACKED In 100 Days (NO GYM)

Everything That Burns More Fat Than Jogging

Everything That Burns More Fat Than Jogging

The Fastest Way to Blow Up Your Bench (Using Science)

The Fastest Way to Blow Up Your Bench (Using Science)

How to DESTROY Visceral Belly Fat (Forever)

How to DESTROY Visceral Belly Fat (Forever)

The ONLY 2 Exercises You Need For A Thicker Back

The ONLY 2 Exercises You Need For A Thicker Back

I Hate This About My Arms

I Hate This About My Arms

The Fastest Way to 12% Body Fat (From Any Start Point)

The Fastest Way to 12% Body Fat (From Any Start Point)

Do THIS Before You Deadlift

Do THIS Before You Deadlift

Workouts That WRECK Your Joints (I Wish I Knew This Sooner)

Workouts That WRECK Your Joints (I Wish I Knew This Sooner)

Easiest Way to Lose Fat 2x Faster (Just Copy Me)

Easiest Way to Lose Fat 2x Faster (Just Copy Me)

The ONLY 2 Exercises You Need For A Wide Back

The ONLY 2 Exercises You Need For A Wide Back

The Dark Science Behind America's Most Obese City

The Dark Science Behind America's Most Obese City

The #1 Ab Workout Mistake

The #1 Ab Workout Mistake

Ozempic: The END of Diet and Exercise?

Ozempic: The END of Diet and Exercise?

The Perfect Morning Routine to Build Muscle (Science-Based)

The Perfect Morning Routine to Build Muscle (Science-Based)

The ONLY 2 Exercises You Need For Massive Arms

The ONLY 2 Exercises You Need For Massive Arms

Social Media vs Reality

Social Media vs Reality

Fit Person ONLY Eats McDonalds For 30 Days

Fit Person ONLY Eats McDonalds For 30 Days

Why 90% of People Never Get Lean (Do This Instead)

Why 90% of People Never Get Lean (Do This Instead)

UNLOCK Upper Chest Growth (#1 Tip)

UNLOCK Upper Chest Growth (#1 Tip)

How I Got Him Abs in 90 Days

How I Got Him Abs in 90 Days

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