Dry Roasted Sunflower Seed Kernels no Salt have 20.1 times more energy per unit of mass than Frozen Chopped Onions, Unprepared, which is very high in comparison to other foods. Frozen Chopped Onions having very low energy density.
Nutrients data from USDA National Nutrient Database for Standard Reference by US Department of Agriculture, Agricultural Research Service, Nutrient Data Laboratory.
Recommended Dietary Allowances (RDA) compiled from U.S. Department of Health & Human Services , National Institutes of Health.