Guy Fieri’s Shocking Weight Loss Secret: The One Piece of Fitness Gear That Transformed Him

Guy Fieri, the prolific Food Network host and restaurateur, has revealed his remarkable weight loss journey, shedding more than 30 pounds over the past four years. His transformation is attributed to a combination of intermittent fasting, high-intensity interval training (HIIT), and frequent rucking sessions on the hills of his California estate.

Guy Fieri's Weight Loss
Guy Fieri’s Weight Loss

Fitness Regimen

Fieri shared his fitness regimen with Men’s Health, explaining that once he got serious about intermittent fasting, portion control, and regular exercise, it significantly impacted his health and physique.


Rucking, a military-inspired exercise involving walking with a weighted pack, has been a critical component of Fieri’s routine. This low-impact exercise can burn 30% to 45% more calories than walking without the added weight and improves muscle strength, aerobic conditioning, and endurance.

Certified personal trainer Christian Rivas highlights that rucking, when done correctly, burns more calories than walking, builds core strength, and improves posture.

High-Intensity Interval Training

Fieri rucks roughly three miles uphill a few times a week and couples this with hour-long HIIT sessions that include kicking a heavy bag, lifting kettlebells, performing calisthenics, and using battle ropes. His post-workout recovery involves a 15-minute session in his wooden-barrel sauna and at least three minutes in a cold plunge tub, which he describes as a daily reset that keeps him going.

Dietary Changes

In addition to his exercise routine, Fieri has also made significant dietary changes. He has adopted an intermittent fasting plan, eating only between noon and 8 p.m., which has helped him manage his caloric intake and maintain his weight loss. This shift included giving up caloric green juices and skipping breakfast. While intermittent fasting has been linked to weight loss, it can also pose risks such as headaches, fatigue, and nausea. Despite these potential downsides, Fieri found the transition manageable.

Filming Adjustments

During filming for his popular shows like “Diners, Drive-Ins and Dives” and “Guy’s Grocery Games,” Fieri now limits his food intake, often taking just a few bites on camera and skipping dinner. He has become more selective about what he eats, opting to avoid food that isn’t particularly satisfying. “Pizza is one of those things when it’s good, it’s really good. And when it’s bad, people still eat it. I’m now more inclined to not eat something that’s not that great than to eat it,” Fieri shared.


Guy Fieri’s disciplined approach to both diet and exercise has not only helped him lose weight but also improved his overall health and well-being.


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