Pollen also has fats. Bees very much need some of those fats. I recently saw a presentation on a paper about bee diets where they tested honeybee pollen prefe

Pollen also has fats. Bees very much need some of those fats. I recently saw a presentation on a paper about bee diets where they tested honeybee pollen preferences, and they tend to like pollens with omega-3-rich fats, up to 25% or so.