Natty Or Not (Addressing The Controversy)
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In this video, I asked strangers to guess which of eight guys they thought were natural and which were on steroids, just by looking at them. All eight had varying levels of muscularity, and based on the responses, I identified seven key features that can make someone look enhanced, even if they’re completely natural. I also blood tested every subject and reveal the results at the end.
References:
History of Steroids
https://pubmed.ncbi.nlm.nih.gov/30959485/
https://jamanetwork.com/journals/jama/article-abstract/271109
https://www.huffpost.com/entry/andropause_b_1925784
https://slate.com/culture/2005/02/the-doctor-who-brought-steroids-to-america.html
https://www.britannica.com/biography/Eugen-Sandow
FFMI Studies
https://pubmed.ncbi.nlm.nih.gov/7496846/
https://pubmed.ncbi.nlm.nih.gov/27930454/
Rate of Muscle Growth
https://pmc.ncbi.nlm.nih.gov/articles/PMC7068252/
FFMI Reference Values
https://pubmed.ncbi.nlm.nih.gov/18206273/
Variability in Muscle Growth
https://pubmed.ncbi.nlm.nih.gov/15947721/
FFMI Table For Women (Assuming 20% bodyfat and 20 FFMI)
5’0” – 120 lbs
5’3” – 135 lbs
5’6” – 150 lbs
5’9” – 165 lbs
Timestamps:
0:00 – Natty or not: How to figure out natural muscular potential
1:14 – Chapter 1: History
5:18 – Chapter 2: Science
12:45 – Chapter 3: Common Sense
15:41 – How big can you get without steroids?
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Written by Jeff Nippard
Produced by Bailey Wood, Bradley Nippard and Jeff Nippard
Filmed by Cam Cline and Meraki Films
Edited by Rickie Ho, Sam Ding and Jeff Nippard
Research and fact checking by Max Edsey
Graphics by Sam Ding and Rickie Ho
Music sourced from Epidemic Sound
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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 18 years drug-free. I’m 5’5 and fluctuate between 160 lbs (lean) and 180 lbs (bulked).
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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 or illness.
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