Value Per Nutrient Food 0.21 g 100 grams Cystine Turkey, young tom, back, meat and skin, raw 0.21 g 100 grams Cystine Pork, cured, ham -- water added, slice, boneless, separable lean only, heated, pan-broil 0.21 g 100 grams Cystine Pork, fresh, enhanced, shoulder, (Boston butt), blade (steaks), separable lean only, raw 0.21 g 100 grams Cystine Beef, composite of trimmed retail cuts, separable lean and fat, trimmed to 1/8" fat, select, raw 0.21 g 100 grams Cystine Beef, shoulder top blade steak, boneless, separable lean and fat, trimmed to 0" fat, choice, raw 0.21 g 100 grams Cystine Bread, wheat germ, toasted 0.21 g 100 grams Cystine Beef, chuck, clod roast, separable lean only, trimmed to 1/4" fat, all grades, raw 0.21 g 100 grams Cystine Whey, acid, dried