... -aging EffectsPharmacology studies show that ho-shou-wu extract improves the cardiovascular system, enhances immune functions, slows ... diseases (e.g., cancer) and incidents (e.g., heart attack, stroke).2. Hepatic ProtectionHo-shou-wu extract was shown ... 4. ConstipationThe anthraquinones containing in ho-sou-wu extract tend to cause soft stool and may even ... specification of this product. Fo-Ti P.E. 10:1