How did Mike Tyson stay so big in his younger years?

[BullBearPig]

He never lifted weights and did insane amounts of cardio, yet he was jacked.

 

[Skull]

Its all in the genes. It was his genetics to be like that

 

[Spokeonawheel]

Idk if he was geared up. I actually believe he wasnt. But this was an era with a few juiced up heavyweights. Holyfield and Tommy morrison to name a couple.

Essentially, he was a genetic freak. Also an odd build for an effective boxer.

 

[weighted chinup]

He was 190lbs @ 12 years old.

Genetics

 

[weighted chinup]

 

[Fattest_animal]

He did lift weights, actually. He was also on juice and/or other (PED?) drugs and used a fake penis to pass the drug tests.

All in a all, regardless of natty or not, he's a freak of nature.