What age does your penis stop growing?

Invigilator-007 Updated Answer
The penis will stop growing by the time Puberty is over. So most boys penises will have stopped growing by the age of 16 to 21.It will grow to the size it is genetically destined to be, regardless of what you do to it. There are no foods, supplements, or exercises that will change the size of your penis. The only thing that changes it is the combination of hormones that occur during puberty.As puberty ends so does your growth come to an end. The penis will not grow much after this.The penis is normally fully developed by the age of 21.Everybody has different rates of growth spurts and there is no real way of telling how long it will grow.There is nothing much you can do to increase, or decrease the size of your penis. A males penis can reach it's full size when you are as young as 12 and your body is still growing, or it can reach full size right up until your body stops growing. It varies with each person.
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What age does a male stop growing?

usually by the age of 25 physiological changes occur at the end of the bones so they no longer grow.

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