Guayaki Yerba Mate ready-to-drink 150mg caffeine. Every time you purchase Guayakí Yerba Mate, you're driving real change because the regeneration of people and the planet is integrated into our business model. USDA Organic, Gluten-Free, Non-GMO Project Verified, Kosher, Certified B-Corp, Made With Fair Trade Ingredients; Yerba mate contains 24 vitamins and minerals, 15 amino acids, and abundant polyphenols; yerba mate nourishes while it stimulates.