
How Much Muscle Did I Gain In 365 Days? (Scientific Experiment)
Get my new Bodybuilding Transformation System (25% off for launch week)
https://jeffnippard.com/
Download MacroFactor 2 weeks free: https://bit.ly/jeffmacrofactor
-------------------------------
References:
Proximity to Failure
https://pubmed.ncbi.nlm.nih.gov/38970765/
Sleep and Mortality
https://academic.oup.com/sleep/article/47/1/zsad253/7280269
-------------------------------
Written & Directed by Jeff Nippard & Stephanie Buttermore
Filmed by Matt Dziadecki, Dal Shoots, Jeff Nippard & Cam Cline
Edited by Rickie Ho, Sam Ding & Jeff Nippard
Graphics by Rickie Ho, Sam Ding & Jeff Nippard
Music Arranged by Jeff Nippard & Sam Ding
Music sourced from Epidemic Sound
Research Assistance by Max Edsey
Experiment Design by Jeff Nippard, Alysha D'Souza, Derrick Van Every and Stu Phillips
-------------------------------
About me: I'm a Canadian natural pro bodybuilder and internationally-qualified powerlifter with a BSc in biochemistry/chemistry and a passion for science. I've been training for 15 years drug-free. I'm 5'5 and fluctuate between 160 lbs (lean) and 180 lbs (bulked).
-------------------------------
Disclaimers: Jeff Nippard is not a doctor or a medical professional. Always consult a physician before starting any exercise program. Use of this information is strictly at your own risk. Jeff Nippard will not assume any liability for direct or indirect losses or damages that may result from the use of information contained in this video including but not limited to economic loss, injury, illness or death.
All 30 video

ENTIRE Chapter 6 - Season 3 Battle Pass (Fortnite: Star Wars)

“Gnarly” MV Reaction Video | KATSEYE

McLaren’s GENIUS Tyre Trick Explained

I Made $59,000 Flipping Auction Junk No One Wanted!

Joel Klatt tells Colin Cowherd REAL REASON no team wanted Shedeur Sanders | THE HERD NFL DRAFT

Minecraft but You Mine 1,000,000 Blocks

Athletic Club vs. Man. United: Extended Highlights | UEL Semi-final Leg 1 | CBS Sports Golazo

Can my 9 smartest viewers count to 10?

"Luke Littler's Debut!" | WE ARE YANITED #24

FlightReacts To #7 WARRIORS at #2 ROCKETS | FULL GAME 7 HIGHLIGHTS | May 4, 2025!!

I Gave My CREDIT CARD To AGES 1-18

Best And Worst New Sodas Taste Test

Sorry, Baby | Official Trailer HD | A24

Avril Lavigne - Young & Dumb (feat. Simple Plan) (Official Video)

Chelsea 3-1 Liverpool | HIGHLIGHTS | Premier League 2024/25

SHAQ & Chuck HEATED Over Giannis’ Altercation with Haliburton’s Dad 😳🗣️

#1 THUNDER at #4 NUGGETS | FULL GAME 3 HIGHLIGHTS | May 9, 2025

I Tested TOP YOUTUBER Products

Koenigsegg Jesko Absolut v Regera: DRAG RACE

Miley Cyrus - More to Lose (Official Video)

Borderlands 4 - State of Play Deep Dive | PS5 Games

Ciara vs. Sherri: Dance Challenge

Ángela Aguilar - El Equivocado (Video Oficial)

I Built Minecraft In Real Life!

Man. United vs. Athletic Club: Extended Highlights | UEL Semi-final Leg 2 | CBS Sports Golazo

Jarahn - Laif Blo Today (Audio) ft. Pettz

The Brand NEW AMP House Tour!

I Built a ZOO for REAL LIFE Animals in Minecraft Hardcore

Pensando en ti

I Tested the World's Most Unique Gyms