Sunflower Seeds have 2.5 times more energy per 100g than English muffins, plain, unenriched, without calcium propionate (includes sourdough). It has very high energy density when compared to other foods. English muffins, plain, unenriched, without calcium propionate (includes sourdough) having above average 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.