MattDoesFitness: natty or not?

Likely natty Matt Morsia — Britain's biggest fitness YouTuber, "Legend" on Gladiators

Short answer. Verdict: likely natty. At the peak physique on this page, MattDoesFitness is 6'1" (185 cm) and 212 lbs (96 kg) at roughly 12% body fat. That works out to an FFMI of 24.4, 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)

Note. No weight from his jumping years is published anywhere we can cite, so the table has one row; the body-fat number is an estimate. The verdict is opinion. See the methodology page for how we judge.

The archive’s earliest dated image of him is a red-carpet photo from the National Television Awards in London on 11 September 2024 — a suit at a TV event, a decade after the physique was built. Nothing from his jumping years exists in the archive.

Matt Morsia was an athlete long before he was a YouTuber. He competed in long jump and triple jump — personal bests of 7.15 m and 15.13 m — until a stress fracture to his spine in 2012 pushed him into powerlifting, where he won a European Championships silver in 2016. The channel started in 2013; Gladiators cast him as “Legend” in 2024. That history matters more than any single photo: a 15-metre triple jumper is already a genetic outlier with a decade of elite training age, which is exactly the profile that later looks “too good” on Instagram.

The numbers

Wikipedia lists him at 6’1” (185 cm) and 212 lbs (96 kg). At a lean but sustainable 12%, that computes to an FFMI in the mid-24s: the top of the natural band, not past it. Big, lean, and — at the arithmetic level — unremarkable for a man with his athletic record. There is no jump-after-plateau in his public history to explain away, and no era where he improved against age; he has looked roughly like this, at roughly this weight, for a decade of daily video.

The test, and what it is worth

In 2022, answering years of accusations, Morsia took a urine and two blood panels — one to a WADA-accredited lab, one to a Spanish lab chosen to look for masking — plus a lie detector, walking through the results on camera with More Plates More Dates. Everything came back normal.

Our methodology is blunt about announced tests: they prove the moment, not the career, and this site never lets a waved-around panel settle a page. So it doesn’t settle this one. It supports it. The reason the verdict leans natural is that there was nothing for the test to contradict — the physique sits inside the natural band to begin with, and the man volunteering for extra lab work is behaving like someone with nothing to find. His own framing is the incentive story told straight: “There are literally teenagers who have been led to believe they have to take drugs to be in good shape.”

Verdict

Likely-natty — an FFMI inside the natural range, an elite athletic base that explains the size, a public record with no step-change in it, and a voluntary WADA-grade panel on top. The tripwire that would move this page: a future era where he is visibly bigger and leaner at 45 than he was at 35.