Answer:
Find me on body builders or in the drink aisle.
I am one with eight to spare, lest I lose my one. I'm not a number. What am I?
I am beautiful up in the sky. I am magical yet I cannot fly. To people I bring luck to some people riches. The boy at my end does whatever he wishes
I am expelled from you orally with a sound
I drift forever with the current and flows to your everyday life. I make living easy but I am good at killing people too.
No matter how little or how much you use me, you change me every month.