Jarrow Formulas, Los Angeles, CA, has launched Optimal Plant Proteins, a vegan source of proteins and fibers. The product includes five different sources of protein-rich powders to provide a complete plant-based amino acid profile along with natural fibers, including pea, organic brown rice, organic hemp, Golden Chlorella and chia seed. The product also includes Metabolin, a supernatant powder that is a blend of cell wall components and metabolites derived from the fermentation of beneficial bacteria, including Lactobacillus and Propionibacterium species.