Is pea protein a complete protein? Indeed, pea protein consists of all nine vital amino acids making it a whole protein. While all 9 crucial amino acids are existing, the level of methionine is pretty lower. elements: https://biobodyboost.co.uk/products/peapro-high-protein-fibre-pea-powder?_pos=1&_psq=pea&_ss=e&_v=1.0