Optimal stack and muscle factor x for kids
i want to try it but i don't now if it will effect me
Well my guess would be that it affects people differently. So if you don't know how it will effect ya, we certainly won't.
When you say kids... How old is that? If your younger than 16 then you would need to consult a doctor when taking supplements.
muscle factor x is for adult man. and this is good for increase for your muscle http://musclefactorxblog.net/