Use caution if you have liver disease and consult with your physician.
– Am J Chin Med 2000;28(3-4):351-60 — Clinical and pharmacological studies on liver diseases treated with Kampo herbal medicine. — Cyong JC, Ki SM, Iijima K, Kobayashi T, Furuya M.

May increase liver size and blood flow to the liver as well as bile secretion.
– Nippon Yakurigaku Zasshi 1988 Apr;91(4):237-44 — Effect of gomisin A (TJN-101), a lignan compound isolated from Schisandra fruits, on liver function in rats — Takeda S, Arai I, Hasegawa M, Tatsugi A, Aburada M, Hosoya E.

May cause upset stomach, hives or decrease in appetite.
– American Herbal Product Association’s Botanical Safety Handbook. — McGuffin M, Hobbs C, Upton R, et al. 1997, 104.