People have used Alisma root (also called Asian Water Plantain or Ze Xie) for centuries. Traditional practice prepares the rhizome as a decoction, powder, or extract to promote fluid balance and urinary health. You can find it as capsules, tinctures, or powders, often taken with meals. Stick to the dosing instructions on your product since amounts differ by preparation.
Laboratory studies have begun looking at Alisma for cardiovascular support. Researchers are examining how it interacts with blood lipids and blood pressure, but those areas still need more human data.
Do not take Alisma with prescription diuretics. The combined effect can throw off your electrolyte levels. Skip it entirely if you are pregnant or breastfeeding. Anyone with a kidney condition should speak with a healthcare provider before use.