Iran is one of the few countries that have mountain ranges due to its four seasons and its geographical texture. Old Believers, like Boo-Ali Sina, have provided extensive reviews of these types of plants in their book of law. Medicinal plants are herbs with one or some of their organs containing an active ingredient. This substance, which forms less than 1% of the dry weight of the plant, has medicinal properties affecting living organisms, so their use can have a significant effect. You can see sample products in the gallery section.