Im 21 years old and im about 6 feet tall i way 200 pounds and you could say in not the most fittest guy out there i do have a belly but either than that every thing seems to be normal. i have this GNC Mass iv Weight product, i got it from a friend for free a whole tub and i actually have never used it until today i took a scoop and a half, i dont kno if i should continueto use it or not im confused my work outs usually last for 2 and a half hours. i want to gain abs and become more fit but i dnt kno what i should do like i said please give me some input on this thanks !!!