Rainforest Pharmacy Shares Guidance on Botanicals for Digestive Health Bitter formulas stimulate digestion, and many traditional digestive bitters are prepared from rainforest plants. Yerba mate, a natural source of caffeine, showed anti-inflammatory, antioxidant, antispasmodic and bile-stimulant actions in laboratory research. Preparation matters. https://news.arcnewswire.com/@seowork144/rainforest-pharmacy-shares-guidance-on-botanicals-for-digestive-health-euw72ra2syej