Nutrition can be confusing with many different opinions and studies for one same subject.... My answer on this would be yes but not for...

-Grains : gluten free pastas, quinoa, millet, buckwheat (grain-like seed), wild rice, oats, sliced sourdough to keep in the freezer....

Coffee - the world's second largest producer after oil - is consumed as a grain based beverage whose effects are due to its caffeine...