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Billy Bob Thornton's Shocking Allergy List Revealed
12 May
Summary
- Thornton has type AB negative blood, the rarest type, affecting digestion.
- He is allergic to dairy, meats, wheat, and shellfish.
- A grape dipped in Dijon mustard became a favorite snack.

Actor Billy Bob Thornton, 70, has disclosed the reasons behind his highly restrictive diet, attributing it to his type AB negative blood, which is among the rarest globally. This blood type, affecting less than 1% of the population, results in fewer digestive enzymes, making food breakdown more difficult.
Thornton, who grew up in Arkansas and East Texas, initially believed everyone felt unwell after eating. His allergies encompass dairy, wheat, shellfish, and meat, often limiting his options to simple foods like blueberries. He has adapted by preparing his own gluten-free and dairy-free meals.
Navigating events and work functions presents challenges, with limited suitable food choices readily available. During one such occasion, Thornton creatively combined grapes with spicy Dijon mustard, a combination he found surprisingly delicious and has since adopted.
He is currently promoting the drama series 'Landman,' where he portrays oil executive Tommy Norris. The series, set to begin filming its third season in August, explores complex character dynamics, with Thornton anticipating an "interesting dynamic" and potential "major competition" between his character and Demi Moore's character, Cami, in the upcoming season.