Most people can tolerate, and indeed thrive on, 2 to 3 servings per day, with “serving” referring to a gram of matcha. A three-gram drink would thus be considered three servings. Eric typically has between 5 and 10g daily, and many of our customers do as many as 15-20g per day. We encourage folks to find their own optimal daily amount. There is no known toxicity level; it’s one of the safest, and oldest, beverages in the world.