"It’s essential that full information is presented. Industrial processes are essential to what products are," Klein says. Look for companies that define their own whole-grain standard, as Community Grains does, since the FDA standard often has various definitions of whole grain.
If you’re buying products in bulk, Weinstein says, make sure the store has a high turnover rate. "Smell it first, to make sure it smells fresh," Weinstein says. "And if you’re walking down an aisle in the store and moths are flying around where the flour is, get out. Put everything down in your cart and get out."