Value Per Nutrient Food 0.25 g 100 grams Cystine Nuts, formulated, wheat-based, unflavored, with salt added 0.25 g 100 grams Cystine Snacks, pretzels, hard, whole-wheat 0.25 g 100 grams Cystine Elk, free range, roast, eye of round, raw (Shoshone Bannock) 0.25 g 100 grams Cystine Lamb, domestic, foreshank, separable lean only, trimmed to 1/4" fat, choice, raw 0.25 g 100 grams Cystine Pork, cured, ham, slice, bone-in, separable lean and fat, unheated 0.25 g 100 grams Cystine Game meat, bison, chuck, shoulder clod, separable lean only, 3-5 lb roast, raw 0.25 g 100 grams Cystine Beef, rib, large end (ribs 6-9), separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted 0.25 g 100 grams Cystine Lamb, Australian, imported, fresh, loin, separable lean only, trimmed to 1/8" fat, raw