He doesn’t look any younger than 45. He’s in good physical shape, but he hasn’t reversed aging in the least.
Some of the “age retarding” supplements are documented to delay delay age-related loss of organ cellular function in animal experiments (a few examples would be glutathione, NAD+, taurine), but preservation of external appearance is a more elusive thing.
He has some muscle tone, but something looks off with him. He looks very strange and almost sickly.