Efficacy of Noni Tea, Benefits and Side effects Efficacy of Noni Tea, Noni tea is a popular herbal beverage that has been used for centuries for its purported health benefits But how effective is noni tea? Read on to learn about the benefits, harms, and science of noni tea. 1. Introduction Noni tea is a traditional herbal drink made from the fruit of the noni plant, also known as Morinda citrifo..