But you can still get all the amino acids you need even by eating a variety of incomplete protein sources. (webmd.com)
They represent an affordable, albeit incomplete protein source, with 25 % protein, 56 % carbohydrate, and 1 % fat (Vidal - Valverde et al., 1994). (empoweredautoimmune.com)
Some incomplete protein sources may contain all essential amino acids, but a complete protein contains them in correct proportions for supporting biological functions in the human body.» (theveglife.com)