Alright, so I'm looking for a diet to suit my current needs as I get back into lifting after an extended break from lifting due to a string of injuries. I'm currently 18 years old, 6'5 and 280 pounds with a BMI of 25-29% I'm looking to both cut and, after reaching my target weight, bulk up further.
The problem is determining exactly what steps to take on the way to this goal so I don't aggravate my injuries further. I'm currently recovering from a broken foot and nursing a few herniated disks in my back from a previous injury.
The idea is to:
Lose between 30-60 pounds and take some stress off the disks while doing rehab exercises for my back so I can ease back into heavy lifting.
Or, alternately:
I'd like to put a good deal of this extra mass to better use by converting it to muscle, which would better suit me in the long run.
Would it be more prudent to lose roughly thirty pounds and then start converting fat to muscle? What is the fastest way to achieve my target weight? I've heard a bit about keto diets, but am unaware of the risks I'd run by going on one.
EDIT: One hangup is that I have a very difficult time losing weight; according to a few calculators I'd need around 5000 calories in order to maintain my weight, but despite getting 3/5-1/2 that every day over a period of six months with a very high level of daily activity I saw little to no weight loss, but I did see a good deal of fat-muscle conversion. It's possible that I saw no weight loss because of muscle gain but I doubt that is the case due to a lack of consistent protein intake.