Following a review, GKV was named agency for record for SnackWell's and Back to Nature, both brands in the Back to Nature Foods Company portfolio. The Baltmore-based agency will handle advertising, social media, digital engagement and experiential sampling to reintegrate the brands into consumers' daily lives. SnackWell's produces low-fat snacks like cookies, minis and pretzels. The brand recently reformulated its products, which are now without high fructose corn syrup, partially hydrogenated oil, and artificial flavors or colors. Back to Nature offers crackers, cookies, nuts and trail mixes, granolas and juices. "Throughout this process, we looked at several agencies to handle …