I was wondering what the overall opinion was on this product. I have (2) 180 ct bottles and I took 2 days worth about 6 months ago. This supplement gave me flushed skin due to the Niacin in it I believe, made me itch and feel on fire. Does anyone know if this is normal? Will it go down once my body gets used to it? Are the results worth even taking it for? Thanks for the help and advice