Mann Lake FD203 Bee-Pro Pollen Substitute Canister, 1-Pound Bee-Pro pollen substitute specially formulated for the commercial beekeeper who is feeding syrup as the source of carbohydrates in the bee's diet High protein pollen substitute which supplies the lipids, minerals, and B-complex vitamins honeybees need to produce larval food Gives your bees the best nutrients available for the production of larval food Free of all contaminants, natural pollens may contain pesticide residue and disease carrying bacteria (foulbrood) Comes in 1-pound canister