Yerba Mate Caffeine Content & Other Ingredients - Tea Allure
The 4 Best Exciting Teas To Try If You're A Coffee Drinker – Wise Ape
Caffeine, but not other phytochemicals, in mate tea (Ilex paraguariensis St. Hilaire) attenuates high-fat-high-sucrose-diet-driven lipogenesis and body fat accumulation - ScienceDirect