Oral dosage formulations for use as pharmaceuticals, nutraceuticals, and dietary supplements, taking the form of liquids, syrups, beads, granules, solid tablets, chewable tablets, dissolvable tablets, confections, lozenges, and gum for treatment or prevention of diseases and conditions in the oral cavity, the nasal passages and sinuses, the throat, the respiratory system, the gastrointestinal tract, the endocrine system, the cardiovascular system, the lymphatic system, the nervous system, the skeletal system, the muscular system, the urinary system, or the reproductive system, including symptoms of viral or bacterial infections of the foregoing systems, namely, cough, nasal congestion, runny nose, post-nasal drip, chest congestion, fever, aches, pain, dyspepsia, diarrhea, heartburn, gastroesophageal reflux disease (GERD), and symptoms of autoimmune conditions and disorders, namely, allergies, diabetes, Crohn's disease, fibromyalgia, Addison disease, Celiac disease, and lactose intolerance