How long does it take for olive leaf tea to work?

Research has shown that the phenolic compounds from olive leaves are highly bioavailable. The absorption of ligistroside-aglycone, hydroxytyrosol, tyrosol and oleuropein-aglycone was 55–60% in human subjects. In animal studies, these compounds have found their way various tissues in between 1 and 4 hours but it may take up to 2 days in humans.