chinese bitters and coptis

Has anyone used these products made by Julia Chang? I just started taking them a few days ago. I am estrogen dominant. Anyway, when I wake up in the morning I have a tight feeling at the base of my ribcage in the front, and this afternoon I have felt sore in the same area in my back. Is this my liver? I know that sounds like a stupid question, but hey, I've never disected a human. Does this discomfort pass and is it a good sign? Thanks for any info.

ellen cherry