How Hafthor Bjornsson Changed His Diet and Lost 100-lbs For Boxing

Written by James C., M.S.(C), PT

| Published on

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Hafþór Júlíus Björnsson is a former World’s Strongest Man and professional strongman; he holds several world records, including a 501 kg world record deadlift.

The tall former strongman has changed his physique completely as he transitioned his body from a strongman to a boxer.

Around 2-years ago, Thor and Eddie Hall announced they would fight in the boxing ring, and in since that time, Hafthor has wholly changed his training and diet to become the best boxer he could be.

It’s safe to say that his methods have worked as Thor was able to win Eddie Hall in the boxing match with the judge’s decision.

As a competitive strongman, Hafthor Björnsson ate 10,000 calories every day to get stronger and maintain his muscle mass.

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When he decided to become a boxer, his diet changed entirely, and he also trained differently.

In those two years, Hafthor lost around 100-lbs and now looks like a bodybuilder; he still has excellent muscles but has shed off a lot of fat.

Hafthor recently revealed the daily diet he eats now every day.

It has changed a lot since his strongman day, here is the diet Thor has used to lose 100 lbs in two years and become a boxer:

Hafthor Björnsson Daily Diet:

  • Meal 1: 8 ounces of beef tenderloin, 2 whole eggs, 110 grams of oatmeal, 150 grams of berries, 1 glass of orange juice
  • Meal 2: 8 ounces of beef tenderloin, 100 grams of zuchini, spinach or any type of greens and 140 grams of rice
  • Meal 3: 8 ounces of cod, 300 grams of potatoes, 100 grams of greens
  • Meal 4: 8 ounces of salmon, 140 grams of rice, 100 grams of greens
  • Meal 5: Thors Skyr, 100 grams of berries, 100 grams of nut butter
  • Cheat Meal: on a cheat day he eat anything he desires

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