Yes, rice protein powder is vegan. It is made from brown rice, which is a plant-based source of protein. Rice protein powder is a popular alternative to animal-based protein powders for people who follow a vegan or vegetarian diet. It provides a complete source of protein when combined with pea protein, meaning that together they contain all the essential amino acids that the body needs to build and repair tissues. Rice protein powder is also often considered to be hypoallergenic and easy to digest, making it a good choice for those who have difficulty digesting other forms of protein.