Value Per Nutrient Food 0.34 g 100 grams Cystine Lamb, domestic, cubed for stew or kabob (leg and shoulder), separable lean only, trimmed to 1/4" fat, cooked, broiled 0.33 g 100 grams Cystine Fish, sturgeon, mixed species, smoked 0.33 g 100 grams Cystine Beef, chuck eye Country-Style ribs, boneless, separable lean only, trimmed to 0" fat, all grades, cooked, braised 0.33 g 100 grams Cystine Game meat , bison, top sirloin, separable lean only, 1" steak, cooked, broiled 0.33 g 100 grams Cystine Broadbeans (fava beans), mature seeds, raw 0.33 g 100 grams Cystine Beef, rib, small end (ribs 10-12), separable lean and fat, trimmed to 1/8" fat, all grades, cooked, broiled 0.33 g 100 grams Cystine Beef, chuck, under blade steak, boneless, separable lean only, trimmed to 0" fat, all grades, cooked, braised 0.33 g 100 grams Cystine Milk, dry, nonfat, regular, with added vitamin A and vitamin D