Hi Chris,
I got the olive leaf from general nutrition center = gnc.com. I needed extra help as my candida test (did you know there are 3 types of candida? I didn't) show I still have some. Guess it's a lifetime of eating sugar, etc. So I'm taking both; I assume each affects the different types.
I have to say olive leaf works fast; I did experience the "die-off" effect of the candida spoken about in some websites. Mainly it was just achey joints, like flu-ish feelings. They say that's how you know it's working.