Plagiarism is a sin of the highest order. Delete this. Anyone else, do not read this as this was stolen from The Overpowered Gamer without his authorization.

There's no way a saiyans will stunt their growth through weight training, you have to realized they are born in planet 10x times earth gravity, and the grow in spurts three times, one at 18 years old, another around 25 years old and final growth spurt at around 35 years old if I recall.