4 ms·Quinoa is low in protein but it is a complete protein. Handy for vegetarians.by wcummings 10y agoQuinoa is low in protein but it is a complete protein. Handy for vegetarians.grenoire 10y agoSo is white rice and beans. It's a complementary pair.grater 10y agoYou don't need complete protein, only the 8 amino acids that our bodies can't synthesize. Any plant food contains more than enough of those amino acids.