A complete protein is a protein contains all 9 essential amino acids (EAAs) with adequate amount. FAO-WHO have defined the requirements for each EAAs for different age group. UpNourish Complete Protein Shake uses VegiZest complete protein blend of fava bean, mung Bean, pea and pice proteins. VegiZest is patent pending and third-party tested as complete and fully digestible. VegiZest protein has a PDCAAS value of 1.