Whole leaf coca extract under evaluation is Magdalena's drug candidate for post-GLP-1 weight loss management SAN FRANCISCO, CA / ACCESS Newswire / June 18, 2026 / Jaguar Health, Inc. (NASDAQ:JAGX) ("Jaguar") today announced that the results of a preclinical study initiated by Magdalena Biosciences ("Magdalena"), a US-based joint venture formed by Jaguar and Canada-based Filament Health Corp. ("Filament"), demonstrate that a novel extract derived from leaves of the coca plant prevented weight gain in mice submitted to a high fat diet without reducing food intake or increasing physical activity. The coca leaf extract under evaluation is Magdalena's prescription drug candidate for post-GLP-1 weight loss management, intended for development under the U.S. Food and Drug Administration's Botanical Guidance.