Value Per Nutrient Food 0.04 g 100 grams Hydroxyproline Pork, fresh, composite of trimmed retail cuts (leg, loin, shoulder), separable lean only, raw 0.04 g 100 grams Hydroxyproline Pork, fresh, composite of trimmed retail cuts (leg, loin, and shoulder), separable lean only, cooked 0.04 g 100 grams Hydroxyproline Gravy, HEINZ Home Style Savory Beef Gravy 0.03 g 100 grams Hydroxyproline BURGER KING, CHICKEN TENDERS 0.03 g 100 grams Hydroxyproline Cheese, cream, fat free 0.03 g 100 grams Hydroxyproline BURGER KING, Chicken WHOPPER Sandwich 0.03 g 100 grams Hydroxyproline Pork, fresh, enhanced, composite of separable fat, cooked 0.03 g 100 grams Hydroxyproline Chicken, broilers or fryers, thigh, meat only, cooked, rotisserie, original seasoning