Table 3.

Estimated average daily collagen protein consumption in the standard American diet by males and females, using NHANES data from 2001–2004.

Main Food Groups Sources of Dietary Collagen Protein (NHANES 2001–2004)	Average Collagen Protein (% Dry Weight)	Average Daily Consumption
		Males		Females
		Food Group (g)	Collagen Protein (g)	Food Group (g)	Collagen Protein (g)
Beef, pork, veal, lamb, and game	5.15	70.87	3.6	39.69	2.04
Chicken, turkey, and other poultry	1.40	42.52	0.6	34.02	0.48
Seafood	5.50	19.84	1.1	14.17	0.78
Frankfurters, sausages and luncheon meats	55.43	31.18	17.3	17.01	9.43
Total, high consumers of frankfurters, sausages, and luncheon meats			22.6		12.7
Total, no consumers of frankfurters, sausages, and luncheon meats			5.3		3.3