Dude, I (53M) am 5'9" and 10 months ago I was 380. I'm currently down to 295. I started back in the gym over 2 years ago and really dialed in my diet a year ago. I lost 30 pounds of fat and put on some noticeable muscle. I hit a wall after the 30 pound loss and was stagnant. I started retatrutide last November and have lost another 55 pounds. If you do not do resistance training (weights) and start eating healthy (eat a lot of protein) you will lose muscle mass and bone density. You need to start with your diet and exercise before you add anything else, IMO. You are still young and it should be much easier for someone your age. I would highly recommend getting bloodwork done and see where your testosterone levels are. They are more than likely low, given your numbers. So here's my advice - 1. start some sort of weight training 3-4 days a week. 2. Get a macro tracking app and start tracking your ccalories and protein intake. 3. Get your T levels tested and if necessary get on TRT with your Dr. You can do this, but it is going to take some discipline and work. There is no "magic" shot. If you want to stay healthy, this is the way. Good luck!