Isaiah Mustafa, the actor build best known for his impressive build, good humor and over-the-top bravado in the Emmy-nominated Old Spice commercials, recently revealed the diet he follows to achieve his chiseled physique on the Tonight Show with Jay Leno.
According to Mustafa, celebrity trainer Tony Horton has him on a diet that contains no alcohol, caffeine, processed sugar, animal products or gluten. Horton is the producer of the wildly popular workout videos, P90X.