Active Substance Browse Active Substances in Alphabetical Order A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Imidazole AlkaloidsImperatorinIndoleInorganic MineralsInorganic SaltsInosineInositolInulinInvert SugarIodineIridoids GlycosidesIronIron SaltsIsocitric AcidIsoflavonesIsoflavonoidsIsoleucineIsomenthoneIsompinellinIsoquercetinIsoquinolineIsoquinoline AlkaloidsIsovaleric Acid