Value Per Nutrient Food 0.29 g 100 grams Tryptophan Cocoa, dry powder, unsweetened 0.29 g 100 grams Tryptophan Fish, roe, mixed species, raw 0.29 g 100 grams Tryptophan Lamb, variety meats and by-products, pancreas, cooked, braised 0.29 g 100 grams Tryptophan Pork, ground, 72% lean / 28% fat, cooked, pan-broiled 0.29 g 100 grams Tryptophan Lamb, domestic, leg, sirloin half, separable lean and fat, trimmed to 1/8" fat, choice, cooked, roasted 0.29 g 100 grams Tryptophan Pork, fresh, loin, country-style ribs, separable lean only, cooked, braised 0.29 g 100 grams Tryptophan Pork, fresh, loin, sirloin (roasts), bone-in, separable lean only, cooked, roasted 0.29 g 100 grams Tryptophan Chicken, broilers or fryers, thigh, meat only, cooked, stewed