Is it safe for me to take this?

hi i am 17 and i do alot of weights and i take a number of supplements - i take creatine and whey protein in 1 supplement called hurricaine ( also contains glutamine essential vitamains etc - basically a rip off of cyclone ) it also has something called arginine in it - is this a hormone - is it safe - what will it do ? - i have also just started taking HMB capsules - how many of these should i take a day - thanks