Value Per Nutrient Food 0.40 g 100 grams Cystine Lamb, domestic, cubed for stew or kabob (leg and shoulder), separable lean only, trimmed to 1/4" fat, cooked, braised 0.40 g 100 grams Cystine Beef, chuck, blade roast, separable lean only, trimmed to 0" fat, all grades, cooked, braised 0.40 g 100 grams Cystine Beef, cured, breakfast strips, cooked 0.40 g 100 grams Cystine Beef, round, top round, separable lean and fat, trimmed to 0" fat, select, cooked, braised 0.40 g 100 grams Cystine Beef, round, top round, separable lean and fat, trimmed to 0" fat, choice, cooked, braised 0.40 g 100 grams Cystine Beef, rib, small end (ribs 10-12), separable lean only, trimmed to 1/8" fat, select, cooked, broiled 0.40 g 100 grams Cystine Seeds, sunflower seed kernels, oil roasted, without salt 0.40 g 100 grams Cystine Pork, cured, bacon, cooked, baked