Sunflower Seeds have 11 times more energy per 100g than Boiled Skinless Apples. It has very high energy density when compared to other foods. Boiled Raw Apples Without Skin having 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.