precite yalls reply's, and little big guy, u might be right, might need to take it every other day, i just figured it would cause pretty good bit of pain doin that, but i took my shot yesterday and it didnt hurt a bit, and donky, how long are the needles on slin pins? where can u get them from, like just a random store,not a website,and if i got those is there any way i could stick the needle in my butt, man that sounds gross, lol anywaz, preciate the help guys