I was on tetracycline (in the doxy family) and accutane (basically a really high dose of vitamin A) for acne when I was a teenager, but my skin has been mostly clear since then.I just started taking Greens First and lappa (which has burdock root, sarsparilla root, heartsease leaf, birch leaf, butternut leaf, thyme, acacia, licorice and fennel) for detox.