Again, the utilization of complementary proteins ensures optimal nutrition and supports the concept I mentioned above, while attempting to target a high protein content or guaranteed analysis. (petfoodindustry.com)
By combining complementary proteins, you may be able to increase the overall quality of the protein you consume. (nutritiondata.self.com)
Ideally, lentils are combined with complementary proteins such as nuts, seeds, rice and grains to become a complete protein that contains all nine amino acids. (healthcentral.com)