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How did Paul Giamatti lose weight?

In 2020 many TV studios were shut down which meant that we didn’t see many actors. When the show 'Billions' returned to production, Paul Giamatti’s weight loss was evident.

Paul Giamatti is an American actor. Aside from ‘Billions’, he is also famous for his roles in ‘Sideways’, ‘American Splendor’, and ‘Barney’s version’.


He was born in New Haven, Connecticut in 1967.


This article is part of a new series on celebrity weight loss. If you’ve ever wondered how celebrities have achieved their weight loss and wondered if you should try their methods you’ll want to check out this series.


Paul Giamatti weight loss


How much weight did Paul Giamatti lose?


The exact amount of weight that Paul lost has not been made public, but most estimates are around 15 pounds. The exact time frame of the weight loss isn’t known but the show ‘Billions’ took a break of almost a year in filming.


How did Paul Giamatti lose the weight?


Paul hasn’t given a lot of details about his weight loss, but here are a few key takeaways.


The extra time during the pandemic allowed Paul to focus on himself. He wanted to strengthen his immune system and because he wasn’t happy with the shape of his body.


He has made a switch to a healthier diet, focusing on low-fat foods and possibly a vegetarian diet. Previously he ate whatever he wanted which meant lots of pizza, sugary drinks and other junk food. He has also added workouts to his routine. These included strength training and yoga.


Perhaps his reduced workload allowed him to reduce the stress hormone cortisol, which allowed him to lose hormonal belly fat. His reduction of sugar and junk food would’ve helped to reduce hormone imbalances making weight loss easier.


Vicki’s take


There are several areas that I liked Paul’s approach to weight loss.


For the most part, he has used a sensible approach to weight loss. While the 15 lb weight loss seemed quite dramatic, it was over a long period of time. This makes it more likely that he’ll maintain the weight loss.


Reducing his intake of junk food and replacing it with healthy whole foods is a good way to improve his eating habits while still eating delicious food.





For someone in their 50s adding strength training into the routine is important. Not only does it help to build and maintain strength that we lose as we get older, it also helps to maintain muscle, bone density, immunity and maintain metabolism. Yoga also helps to maintain flexibility and balance.


But there are a few things I would do differently.


A focus on a low fat diet is not the best approach for weight loss. Moderate fat intake is necessary for maintaining hormone balance which is key for weight loss. Many people also make the mistake of replacing fat with sugar and starchy carbohydrates which also makes hormone balance difficult. A good balance of healthy fats, carbohydrates and protein are essential for weight loss.


Paul had time during the pandemic to focus on weight loss, but he needs to have a routine that can be maintained so he doesn't return to his old ways and gain the weight back.


Looking for inspiration?


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