Marcus Mumford’s Weight Loss Story (Diet & Exercise Leaked)

James Cunningham, BSc, CPT
Published by James Cunningham, BSc, CPT | Staff Writer & Senior Coach
Last updated: March 26, 2024
FACT CHECKED by Benedict Ang, CPT, PN1-NC
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Marcus Mumford managed to surprise the world with a significant body transformation when he showed off his weight loss on live TV.

When we hear inspiring success stories like Marcus Mumford's transformation, our team dives into how they did it to motivate others.

We studied Marcus's interviews and appearances to uncover the secrets behind his remarkable improvements in appearance, health, and fitness.

You'll be surprised by the insights we discovered from analyzing Marcus's impressive transformations in appearance, health, and fitness.

How Did Marcus Mumford Lose Weight?

Marcus Mumford lost weight during lockdowns when he had time to reflect on his eating habits.

At one stage, he found himself in quarantine, and that’s when he completely changed his approach to eating.

He mentioned a shift in his reward system, now centered more around surfing than indulging in ice cream, indicating a lifestyle change towards healthier habits

The Marcus Mumford weight-loss journey also involved working out more regularly, which he had to do at home.


View this post on Instagram


A post shared by Marcus Mumford (@marcusmumford)

All that paid off when he appeared on SNL with his wife, Carey Mulligan, and he became the center of all the celebrity gossip.

The weight loss led to a noticeable change in Marcus Mumford's facial features, particularly the loss of a double chin and a more visible jawline.

“I've quite enjoyed the [weight loss] process. It's given me some purpose outside of family and music, which has been good and something to sort of think about. And [it's] just slightly changed my reward system, and it feels good.”

- Marcus Mumford


  • Born: January 31, 1987
  • Height: 5’11”
  • Starting Weight: n/a
  • Total Weight Loss: 30-40 lbs

How Did He Change His Diet?

Marcus Mumford revamped his eating habits by ditching junk food and treats, though he's never shared a specific diet plan.

Rapid weight loss sparked rumors of surgery, but he likely didn't have enough excess fat for such a measure.

It's probable that he followed a strict diet, perhaps something along the lines of the keto diet, to shed the pounds. But I couldn’t find any evidence of that.

Mumford decided that weight loss was important when he found some idle time during the lockdown.

And that allowed him to reflect on what he was typically eating.

My guess is that he switched to a high-protein diet and cut out fast food and sugar. Studies, such as the one published in the Journal of Obesity and Metabolic Syndrome, have shown that protein can play a positive role in sustainable and consistent weight loss [1].

What’s His Fitness Routine?

A guy using a treadmill in his workout

Marcus Mumford’s exercise routine for weight loss likely included a blend of cardio and strength training, similar to routines I've designed for clients during lockdown.

Like many of us, he created a home gym to stay fit.

From the few comments he’s shared, it doesn’t seem to be anything too fancy. A treadmill, some weights, and a pull-up bar were probably enough.

And he has plenty of green areas on his property, allowing him to do aerobic exercises outdoors.

Given his new physique and significant weight loss, I'd speculate, based on my expertise in performance psychology, that Marcus incorporated substantial strength training into his routine [2].

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Marcus’ Supplements

White supplement tablets on a table

We also couldn't find details about Marcus Mumford's weight-loss supplements.

He has only spoken about fixing his diet, but looking at his consistent achievements, it’s quite likely that he took some dietary supplements.

Drawing from my knowledge of performance-enhancing supplements, I believe Marcus may have included a fat burner in his regime, a common choice for those aiming for significant weight loss.

From my experience coaching clients, I've seen how these products can effectively increase metabolism, aiding in the gradual yet impactful calorie burn crucial for sustained weight loss.


Has Marcus Mumford Kept off the Weight?

Yes, Marcus Mumford has kept the weight off. He has spoken a lot about how much healthier and more energetic he feels. And that kind of weight loss will certainly help provide the energy he needs for his solo career.

Was Marcus Mumford Morbidly Overweight?

No, Marcus Mumford wasn’t morbidly overweight. At the same time, he probably had to lose weight to ensure he didn’t end up in a downward spiral of gaining fat and becoming increasingly unhealthy.


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About The Author

James Cunningham, BSc, CPT
Staff Writer & Senior Coach
James Cunningham, BSc, CPT holds a BSc degree in Sport & Exercise Science from University of Hertfordshire. He's a Health & Performance Coach from London that brings a unique blend of academic knowledge of health supplements and practical exercise experience to the table for his readers.
Learn more about our editorial policy
Benedict Ang, CPT, PN1-NC
Staff Writer & Senior Coach
Benedict Ang, CPT, PN1-NC is an ex-National Soccer player turned MMA and Kickboxing champion, with ACE CPT and PN1-NC certifications. His advice is rooted in education and experience, ensuring that readers receive scientific and battle-tested insights. His mission is to empower his clients and readers to realize their potential and become the best versions of themselves.
Learn more about our editorial policy

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