I imagine you don’t need to do steroids to look like that photo. There’s likely no shortcut here, Bezos put in a lot of work. Kudos.

That said, Bezos likely has a support cast that maximizes his time investment - think doctors and the ability to test any of his levels whenever, instead of maybe a subset of them once a year during an annual physical? Think dietician's coordinating with chefs to avoid (most of) the need to supplement artificially, and 1:1 personal trainers every training day, plus on-demand access to experts in strength, conditioning and recovery.

Oh and let’s not forget the luxury of time to spend 90 minutes most days of the week with his trainer.

Bezos isn’t unique in transformation terms, movie stars also get ripped to play roles with often only a few months to prepare their physique before a shoot begins.