Agreed. He probably went keto or carnivore. Both are very do-able and will shed pounds as if by magic. But as a presidential candidate he needs to stay as plain vanilla as possible.
Was about to say the same. No way a 58 year old exercised and ate better and lost 90 pounds in 6 months. Didn’t want to credit Keto or whatever like a typical lawyer/politician in case there could be some unfavorable connection.