MINNEAPOLIS — Prince was still captivating audiences at recent performances in Australia and California. He hosted a pop-up party at his Paisley Park studio, and there were few outward signs in his final months that anything was wrong.

But off stage, something was different. Prince began wanting meals that were easier to digest and frequently fought off a sore throat and an upset stomach, the musician’s personal chef said.

A law enforcement official has told the Associated Press that investigators are looking into whether Prince, who was found dead at his home on April 21, died from an overdose and whether a doctor was prescribing him drugs in the weeks beforehand. Ray Roberts, who cooked for Prince nearly every day for almost three years, said that wasn’t the man he saw nearly every night, ‘‘not even a hint. Not at all.’’ But Roberts did start noticing changes in Prince’s diet — he was eating less and drinking less water, and looked like he was losing weight.

Associated Press