Oil Roasted Sunflower Seed Kernels have 74 times more energy per unit of mass than Boiled and Drained Butterbur, which is very high in comparison to other foods. Boiled Butterbur 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.