What matcha does Starbucks use? At Starbucks, matcha drinks are made using matcha powder sourced from Japan. For many years, Starbucks used a sweetened matcha powder that contained both ground green tea and sugar. However, starting in 2025, Starbucks began switching to unsweetened matcha powder so customers can control the sweetness in their drinks. Matcha is used in popular Starbucks beverages like … Continue reading What Matcha Does Starbucks Use? Ingredients & Sugar Guide