Be aware that people with pollen or plant allergy symptoms may also be allergic to herbs including butterbur. Some examples of bioactive constituents in “standardised extracts” contain the laxative sennosides of senna leaf, the hepatoprotective silymarin flavonolignans of milk thistle fruit, along with the anti-nauseant gingerols of ginger rhizome. ” https://williamk997twv6.bloggerchest.com/profile