4. Tuna (Cooked)
Although any type of oily/fatty fish would do, tuna is especially rich in lysine, boasting of 123% of the lysine RDI.
5. Roasted Soybeans
Soybeans are one of the most nutritious foods out there. They are an excellent source of most essential amino acids and they are crammed with vegetable-based proteins. They boast of a 125% lysine RDI.
6. Pork (Cooked)
Pork is quite popular in most European nations and is also enjoyed by millions all around the world. Pork is rich in animal-protein and contains many essential amino acids, boasting of a 131% lysine RDI.
7. Shrimp (Cooked)
Seafood like shrimp, crab, prawns or lobsters are protein rich and contain most essential amino acids. Cooked shrimp boasts of a 103% lysine RDI value.