As baby boomers get more wrinkles, aches and pains and millennials don’t want to, the market is ripe for healthy natural foods, beverages and supplements. But beyond products that skip the bad stuff—artificial preservatives, colors and sweeteners; GMOs—consumers want more from what they put in their bodies. Jeff Hilton, chief marketing officer at BrandHive, predicts the next big trend in foods, drinks and dietary supplements.