* Science-Based Nutrition * Dietary Supplement * Suitable for Vegetarians Ultra Guggulow supplies a standardized extract of gum guggul resin (Gugulipid), an herb derived from the Commiphora mukul tree in India. Gugulipid is standardized at 2.5% "guggulsterones", which are active ingredients present in the resin. BioPerine promotes absorption of nutrients in the GI tract.