White sunflowers are a variation of the traditional yellow sunflower. They are characterized by white petals and yellow/brown centers.  
In a 100-gram serving, dried whole sunflower seeds provide 584 kilocalories and are composed of 5% water, 20% carbohydrates, 51% total fat and 21% protein (table). The seeds are a rich source (20% or higher of the Daily Value, DV) of protein (42% DV), dietary fiber (36% DV), many B vitamins (23–129% DV) and vitamin E (234% DV). The seeds also contain high levels of dietary minerals, including magnesium, manganese, phosphorus, iron and zinc (40–94% DV).