He explained in Spanish how his family takes Gavilana always with them when going for a vacation. It’s effective to help against a list of ailments like indigestion, food poisoning, diarrhea but also insomnia to name few and the list is not over. See the link below for more in depth overview of Gavilana healing powers.
https://www.drugs.com/npp/jackass-bitters.html
… or check out this company from Belize and their Gavilana tincture in the link below