Justin Thomas Weight Loss Journey: Diet And Workout

May 12, 2026

This article was last updated by Suyash Shrestha on May 12, 2026

Justin Thomas weight loss has been rumored as he has spoken about his new healthy diet in a recent interview. However, the new diet plan has nothing to do with weight loss.

Justin Louis Thomas, widely known as , is an American professional golfer born in Louisville, Kentucky.

The 33 years old won his first major trophy in 2017 at the 99th PGA Championship held at Quail Hollow Club in Charlotte, North Carolina.

He joined , , and as the only golfers to have won five times, including a major, in a PGA Tour season before turning 25 at the Dell Technologies Championship.

Justin Thomas On The Course (Source: Justin Thomas Foundation)

In addition, he was named the PGA Player of the Year in 2017 and 2026.

The 2011 St. Xavier High School graduate played in the Wyndham Championship on the PGA Tour in August 2009.

Thomas played college golf at the University of Alabama, winning the  as the most outstanding collegiate golfer.

Thomas adheres to golf as he comes from a long line of professional golfers. His father, Mike Thomas, served as Head Professional at the Harmony Landing Country Club, whereas his grandfather was a 60-year veteran of the PGA Tour.

Justin Thomas Weight Loss: Diet And Workout

Since staying in shape is vital to being a good golfer, it requires dietary limitations. Thomas also made a lot of dietary sacrifices, which he feels is frustrating.

The former world number one stands 5 feet 10 inches tall with a body weight of 160 lbs. He has been eating a gluten-free, dairy-free diet past three months. 

New Diet Of Justin Thomas

Justin Thomas would finish the day incredibly fatigued whenever it was overly hot outside. Even though Thomas is a pro athlete in great shape, he grew tired much quicker than he should have.

Dr. Ara Suppiah, a wellness expert, gave Thomas special instructions following bloodwork and food sensitivity tests. Thomas then opted for a full year of a gluten-free diet and six months with no dairy to fix his fatigue.

Justin Thomas In Wells Fargo Championship (Source: Instagram)

He scans every nutritional wrapper on everything he eats, ensuring he doesn’t eat something bad for him. Thus, he misses pizza like nothing else.

Besides the strict diet routine, he consumes a special yellow drink mixed with peach-flavored powder and a LivPur hydration packet daily.

Thomas hopes it works, as he feels awful about not being able to eat anything good.

Before the Wells Fargo Championship, when the golfer was asked if he’s found any new favorite delicacy, he joked he sometimes breathes nice fresh air.

It seems he strictly follows and is committed to the new diet.

In the interview, Justin said that he feels better and feels like he has more energy waking up. It came at a high cost of longing for his cravings.

Justin Thomas Workout

Thomas pushes more on core-strengthening workouts, including mobility exercises and routines, to boost flexibility. 

The core-related works strengthen the stabilizing muscles in his abdomen, back, hips, and glutes. 

He begins his routine with glute activation by loading his hips. Lunges, anti-rotation work with bands, pull and push exercises, and unilateral movements follow in succession.

His core-centric workout and muscle-boosting routine have helped him gain much as 20 lbs since 2017.

He has made working out a part of his life even though he didn’t like it in the past. 

Dehydration Issues

The year 2026 was scary for Justin Thomas as he lay low week after week due to the combination of heat and illness. He was feeling on the hottest, muggiest days last season.

In the Mayakoba event in late 2026, he was already feeling dehydrated and just off. The worse of it came at the PGA Championship.

Justin Thomas During An Interview (Source: Instagram)

Justin won it despite battling low energy and high congestion. Thomas barely had any idea whatsoever about how he managed to play well.

He recalled feeling super dehydrated in Atlanta as well. On top of that, the PGA winner threw up during the 2026 Tour Championship.

The golfer was diagnosed with a “leaky gut,” which was draining his energy during the summer heat.

His new diet plan aims to heal the leaky gut and solve his extreme energy droughts.

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Swochandra Shrestha is a passionate writer with a keen eye for uncovering the human stories behind the world of sports. His articles offer readers a refreshing perspective on athletes and sporting events, blending insightful analysis with engaging storytelling that resonates on a personal level.

Expertise:

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• Swochandra explores the intersection of sports and travel.
• He reflects on the ways in which sports intersect with individual and collective identities.

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Swochandra seeks to foster a deeper appreciation for the human stories and cultural dynamics that animate the world of sports, inspiring readers to engage more deeply with the games they love.

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