Yerba mate has been shown to be an anti-inflammatory, which is great news for those looking to treat arthritis, sprains, painful periods, and other painful conditions.
"Intervention studies in animals have provided strong evidence of anti-inflammatory effects of Ilex paraguariensis [Yerba Mate]... the evidence seems to provide support for beneficial effects of mate drinking on chronic diseases with inflammatory component". - Yerba Mate Anti-Inflammatory: Bracesco N, et al. Recent advances on Ilex paraguariensis research: minireview. Journal of Ethnopharmacology (2011)
"whole MT [Yerba Mate Tea] consumption still has a promising anti-inflammatory outcome". - Yerba Mate Inhibits Inflammation: Puangpraphant S, de Mejia EG. Saponins in yerba mate tea ( Ilex paraguariensis A. St.-Hil) and quercetin synergistically inhibit iNOS and COX-2 in lipopolysaccharide-induced macrophages through NFkappaB pathways. Journal of Agricultural and Food Chemistry (2009)
"Saponins in leaves of mate prevent inﬂammation and colon cancer in vitro." - Yerba Mate Prevents Inflammation: Sirima Puangpraphant, et al. Mate (Ilex paraguariensis St. Hilaire) saponins induce caspase-3-dependent apoptosis in human colon cancer cells in vitro. Journal of Food Chemistry (2011)
"the [yerba mate] leaves are also used in popular medicine and included in medicinal herbal products as a tonic, stimulant to the central nervous system, diuretic, and antirheumatic." - Yerba Mate Antirheumatic: Schenkel EP, et al. Triterpene Saponins from Maté, Ilex Paraguariensis. Advances in Experimental Medicine and Biology (1996)