Will Tennyson: natty or not?
Likely natty Canadian fitness YouTuber — food challenges, honest cuts, and a former 270-lb teenager
Short answer. Verdict: likely natty. At the peak physique on this page, Will Tennyson is 6'1" (185 cm) and 174 lbs (78.8 kg) at roughly 5% body fat. That works out to an FFMI of 21.6, against the ~25 mark cited as the natural ceiling.
No official record settles this. What follows is opinion and analysis based on public numbers — how we judge.
The numbers (estimated)
| Peak physique | Competition prep (2025), his leanest documented form |
|---|---|
| Height | 6'1" (185 cm) |
| Weight | 174 lbs (78.8 kg) |
| Body fat | ~5% |
| FFMI | 21.6 — ~25 is the cited natural ceiling |
Era by era (estimated)
| Era | Year | Age | Weight | Evidence | Body fat | FFMI |
|---|---|---|---|---|---|---|
| Obese teenage baseline | 2010 | 16 | 270 lbs (122.5 kg) | reported | ~35% | 23.0 |
| Early fitness journey (DEXA) | 2017 | 23 | 174 lbs (78.7 kg) | reported | ~13% | 19.8 |
| Established form (DEXA) | 2021 | 27 | 183 lbs (82.8 kg) | reported | ~11% | 21.2 |
| Competition prep | 2025 | 31 | 174 lbs (78.8 kg) | reported | ~5% | 21.6 |
FFMI over time (estimated)
FFMI per era (values in the table above). Hover a point for details.
Note. Some figures below come from DEXA scans Tennyson has published himself; the rest are reported figures or our photo reads. See the methodology page for how we judge.
Will Tennyson’s story runs the opposite direction from most of this site: an obese 270-lb teenager who lost the weight, found the gym at 18, and built a career on documenting the process — including its failures — on camera.
The numbers
His physique math is quiet. Published DEXA data from 2017 and 2021 put him around 173-183 lbs (78.7-82.8 kg) at 11-13% body fat on a 6’1” (185 cm) frame — FFMI 21 to 21.5, inside the ordinary natural band with room to spare. His 2025 competition cut reached genuine stage leanness at the same lean mass: FFMI about 21.6. Across eight documented years his lean mass has moved a few pounds — the natural plateau, arriving on schedule, measured by the most honest instrument in the game and published voluntarily.
There is no flag to argue with: no jump, no gray-zone era, no improving-with-age, and a content style built on showing the unflattering middle weeks of every cut — the opposite of physique theater.
Verdict
Likely-natty. Modest measured mass, a documented plateau, DEXA transparency, and a physique whose selling point has always been relatability rather than impossibility. The standard tripwire applies, with no expectation it triggers: meaningful new lean mass now that he’s a decade past the novice window would reopen the file.
Common questions
Is Will Tennyson natty or on steroids?
This site rates Will Tennyson as likely natty. That is an opinion drawn from public numbers, not a statement of fact: the peak physique on this page works out to an FFMI of 21.6, against the ~25 mark cited as the natural ceiling.
Has Will Tennyson ever failed a drug test or admitted to using PEDs?
Nothing of the sort turned up in the sources on this page. Had it, the verdict would read confirmed instead of likely natty.
What is Will Tennyson's FFMI?
About 21.6. That comes from 6'1" (185 cm) and 174 lbs (78.8 kg) at roughly 5% body fat, normalized to 1.8 m. Drug-free lifters in the Kouri 1995 study topped out near 25.