There isn't enough information to know if isatis is safe.
Special Precautions & Warnings:
Pregnancy and breast-feeding: Not enough is known about the use of isatis during pregnancy and breast-feeding. Stay on the safe side and avoid use.
Aspirinallergy: Isatis contains chemicals that are similar to the chemicals in aspirin. There is a concern that isatis might trigger an asthma attack or an allergic reaction in people who are allergic to aspirin.