Not bad never did blood tests that's the best way to tell but I no its good I'm just curious if it's dosages is correct what's weied u don't need to see a dr don't need blood work n they will write scripts for the meds but you have to ask for the scripts in the comments box something doesn't seem write bi put the gear works they have a pharmacy in Arizona were they make wsn products they just opened there own pharmacy like 6 months ago there shippings quick to