He's got two trainers with him, he's in Florida last I heard. He's a professional position player in the MLB, of course he's using weights, geez. That was taken care of a few years ago.
That's a photo from a few weeks back or more.
Yup, 3 weeks ago to the day...
https://www.bluejaysmessageboard.com/threads/9522-Vladdy-Guerrero-has-lost-more-than-30-pounds-(12-pounds-in-the-offseason-so-far)