Are these tinctures in an alcohol base or glycerin?

Just wondering. And which one would be better for you.

I am counting down the days until my next liver cleanse because I feel sooo awful after my 1st one. (felt great for about 4 days and then BOOM! Terrible). So I can't wait to do another one, but in the meantime, I will take your advice and take some of the above tinctures.

Thanks,
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