No, young teens (especially boys) are just beginning their growth. The practice will help make the teen a better, stronger person.
Lifting weights and doing cardio will never stop your growth it will actually help it. The hormone (GH) or Growth Hormone is produced from lifting weights because you are triggering the pituitary gland to produce the hormone from the exercise. Same goes with cardio. working out in the gym or running will not stunt your growth.
You shouldn't take whey protein at such a young age my friend.
It is not a good thing i wouldn't suggest it. It is best to wait till after puberty!
growth spurts usually stop at 18 so definetly
Little young for that, aren't you?
It is possible for a 14 year old boy to grow another 5 inches. Males typically stop growing by age 18.
disapline
The boy will need to undergo some serious counselling.
Hard work is the key. Practice makes a man perfect.
Transform into a 6 year old boy.
growth
Find him a hot 19 year old girl