Elon Musk says he feels "healthier" after trying intermittent fasting and losing 20 pounds.
He recently told Joe Rogan's podcast that he liked "tasty food" and didn't enjoy exercise.
Musk's father Errol has criticized his weight and told him to take weight loss pills.
He also said he used a weight loss app called Zero and reacted to a user's tweet asking if he lifts weights.
Musk is embroiled in a legal battle with Twitter after trying to walk away from a $44 billion takeover.