Urban moonshine herbal apothecary original digestive bitters herbal supplement helps to support digestive function and provide relief from gas, bloating and occasional nausea, upset stomach and heartburn. It also helps to support healthy skin and liver function. This 8. 4 fl. Oz. Bottle of bitters combines aromatic herb and root extracts for a classic bitters taste and contains no gluten for the peace of mind of those with dietary restrictions.