Which two essential amino acids are specifically cited as potentially lacking in navy bean protein compared to a complete protein source?

Methionine and tryptophan

Although navy beans are a strong source of plant-based protein, offering about 7.5 grams per half-cup, they, like most legumes, are classified as incomplete proteins because they may be deficient in one or two of the nine essential amino acids the human body cannot synthesize. The two specific amino acids identified as potentially missing or low in the navy bean profile are methionine and tryptophan. Conversely, the profile is noteworthy for including lysine, which is crucial for processes like protein synthesis and tissue repair. To achieve a complete protein intake, individuals consuming navy beans as a staple should complement them with grains or seeds that provide adequate levels of methionine and tryptophan.