JARROW FORMULAS OPTIMAL PLANT is a combination of proteins and fibers into a protein supplement suitable for vegetarians/vegans. Pea Protein, Brown Rice Protein, Organic Hemp Protein, Chlorella and White Chia Seed combine to supply a complete plant-based amino acid profile along with natural fibers. Metabolin® is a supernatant powder (a special blend of cell wall components and metabolites derived from the fermentation of beneficial bacteria, including Lactobacillus and Propionibacterium species).