Lately, bee nutrition has been the subject of extensive research. Scientists are investigating some surprising new ideas.
Most beekeepers have observed bees drinking from what we would consider dirty water sources. However, this may be filling a nutrition gap. It seems we still have a lot to learn about bee health. In particular, what food bees need, and also what pollen sources actually provide the best for a bee.
Lincoln University studies show the mineral content of pollen is the key factor to enhancing and maintaining bee fitness. See the link to more information https://www.stuff.co.nz/science/118605431/honey-bees-need-better-nutrition-and-nz-scientists-think-they-can-help?utm_source=hs_email&utm_medium=email&utm_content=8