Dried Sunflower Seed Kernels have 15 times more energy per unit of mass than Pink or Red Grapefruit Juice with Added Calcium , which is very high in comparison to other foods. Pink Grapefruit Juice with Calcium 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.