“The guidelines don’t necessarily line up with the way that people eat or the way that people shop from small retailers,” said Dawn Marie Clepper-Hall, director of community food access for Pittsburgh-based anti-hunger group Just Harvest.

“If I ask you right now what are the seven grains you would buy from your local convenience store, you would probably think that was a really weird question, and I think you might struggle to get to seven when you were counting them.”