Herbal products contain pharmacologically active compounds and, as such, have the potential for toxicity.
Toxic manifestations may occur due to the supplement itself or due to additives, contaminants, and drug interactions.
Much of the literature about toxic manifestations is based on anecdotal reports and is frequently contradictory. Dietary supplements, including herbals, are usually considered harmless and devoid of any toxic implications. Let us not forget that these products have pharmacologically active compounds—that is how they exercise their beneficial and even…