Source Naturals, Brown Rice Protein Powder, 907 Gram, 32 OzProduct Description Brown rice protein powder is a plant based protein supplement derived from whole grain brown rice. It is a great alternative to whey or soy protein, especially for those with dairy or soy allergies. It provides a good amount of essential amino acids, though it is slightly lower in lysine compared to animal based proteins. Product Benefits Boosts Energy And Endurance. Rich In Fiber And Nutrients. Supports Muscle Growth And Recovery.