USANA WholeBio Bar Published February 2, 2019 at 400 × 400 in 3 Top Tips For Improving Digestion. USANA WholeBio Bar. Vegetarian. Dairy Free. Gluten Free. Guilt-Free Healthy Snacking! USANA – The Cellular Nutrition Company has manufactured a healthy gut-friendly microbiome bar – good sensible nutrition that provides a surge of nutrients to the gut and rids those pesky hunger pangs. ← Previous