Value Per Nutrient Food 0.25 g 100 grams Cystine Lamb, New Zealand, imported, frozen, loin, separable lean only, raw 0.25 g 100 grams Cystine Beef, short loin, top loin, steak, separable lean and fat, trimmed to 1/8" fat, select, raw 0.25 g 100 grams Cystine Pork, fresh, composite of trimmed retail cuts (leg, loin, shoulder), separable lean only, raw 0.25 g 100 grams Cystine Whey, sweet, dried 0.25 g 100 grams Cystine Pork, cured, ham with natural juices, rump, bone-in, separable lean and fat, heated, roasted 0.25 g 100 grams Cystine Fish, tuna, white, canned in water, without salt, drained solids 0.25 g 100 grams Cystine Beef, plate, outside skirt steak, separable lean and fat, trimmed to 0" fat, all grades, cooked, broiled 0.25 g 100 grams Cystine Fish, whiting, mixed species, cooked, dry heat