well mainly to be stronger and have a harder punch but you also need to build up your stomach muscles etc incase someone hits you. I'm not sure what its called now but that's kinda why you need to build up on strength, I hope this kind of helped!Oh and being stronger can also help you to have a tougher fighting stance so it is harder for the opponent to take you down!
No.
no
They don't help build muscle, but they do increase your intake of protien which is what your body needs to build muscle.
no.
People can build muscle growth by weight lifting and weight training can help you out too .stronglifts.com/how-to-build-muscle-mass-guide/ this online site can be of help with this one too .
Yes, muscle strength supplements can help you build your scrawny frame. You also need to do some weight training.
Ginseng doesn't build muscle but there is evidence that it helps endurance. Ginseng can also help with loosing fat in the body.
no but it does build muscle
how to help build up your muscle
High protein supplements will help you build muscle if you do some strength training. It will help you recover and build more muscle from these workouts.
Yes, it is possible to build muscle with dumbbells. Dumbbells are considered a "resistance" training method and help build muscle substantially.
Of course build more muscle , because when you have more muscle in the body , help burn about 50% more body fat , that you are burn. :-) .