Guide

No, on their own split peas are low in methionine, so they don’t supply all nine indispensable amino acids in the needed proportions.

No, red lentils alone lack enough methionine and cysteine to count as a complete protein; pair with grains, seeds, or dairy.

Yes, rice and beans are complementary proteins when eaten across the day or in one meal.

Yes, soybeans are a strong protein source; 100 g cooked packs ~18 g and delivers high-quality amino acids.

Yes, yellow split peas deliver about 16 g protein per cooked cup, making them a protein-rich legume option.

No, sprouted lentils aren’t a complete protein; they’re low in methionine and cysteine, so pair them with grains or seeds to round things out.

Yes, soy and common soy foods provide all nine indispensable amino acids in adequate amounts, so they qualify as a complete protein.

Yes, soybeans are a complete protein, supplying all nine indispensable amino acids, though methionine tends to be modest.

No, white beans aren’t a complete protein; they’re low in methionine and work best paired with grains, seeds, or nuts.

No, rolled oats deliver ~5–6 g protein per 40 g dry serving—nutritious and filling, but not a top protein source.