Study to Investigate the Efficacy of a Digestive Health Dietary Supplement on Post-meal Bloating in Healthy Participants

Inclusion criteria

• Healthy male and female individuals aged 18-65 years at time of screening.
• Body mass index (BMI) <29.9 kg/m².
• Self-reported recurrent postprandial abdominal bloating and/or distension occurring on average at least 2 days per week over the past 3 months, predominating over other gastrointestinal (GI) symptoms, and in the absence of a diagnosed gastrointestinal disease.
• Females of child-bearing potential must have a negative baseline pregnancy test and agree to use a medically approved method of birth control for the duration of the study.
• Willing to consume a standardized test meal consisting of 2 slices of large cheese pizza from Dominos on each test day.
• Willing to complete online surveys and at-home measurements (waist circumference) at scheduled time points.
• Agrees to maintain current lifestyle habits (diet, physical activity, medications, supplements, and sleep) as much as possible throughout the study.
• Provides voluntary, written, informed consent to participate in the study prior to any study procedures.
• Has reliable access to internet and a smartphone or computer capable of completing electronic surveys and attending virtual check-ins.

Exclusion criteria

• Current or past diagnosis of any significant disease of the GI tract, including but not limited to: irritable bowel syndrome (IBS), celiac disease, inflammatory bowel disease (Crohn's disease or ulcerative colitis), functional constipation, gastroesophageal reflux disease (GERD), gastroparesis, or treatment for H. pylori infection or gastric ulcer within the past year.
• Significant or untreated medical and/or psychiatric disorders, including but not limited to: severe unstable diabetes, recent myocardial ischemia or infarction, unstable angina, cancer (except skin basal cell carcinoma completely excised with no chemotherapy or radiation with a follow up that is negative or volunteers with cancer in full remission for more than five years after diagnosis are acceptable), uncontrolled hypertension, renal failure, chronic active hepatitis, acute hepatitis, cirrhosis, Acquired Immunodeficiency Syndrome (AIDS), malignancy, and neurological disorders including epilepsy, recent cerebrovascular disease, or recent traumatic brain injury.
• Current use of digestive enzyme supplements, prebiotics/fibers, probiotics, postbiotics, bloating-targeted supplements, therapeutic iron supplementation (>65 mg elemental iron per dose), prokinetic agents, antacids, H2 blockers, proton pump inhibitors (PPIs), opioids, or loperamide within 14 days prior to the first test meal session; or use of any of the above during the study period.
• Esophageal obstruction or difficulty swallowing.
• Wear dentures.
• Pregnant, breastfeeding, or planning to become pregnant during the study.
• Known allergy, or sensitivity to any ingredient of the study supplement or placebo, including ginger, lemon balm, dandelion, or Bifidobacterium longum-derived products.
• Allergy, sensitivity, intolerance, or dietary restriction preventing consumption of standardized meal ingredients.
• Alcohol use disorder or drug abuse/dependence within the past 6 months (>2 standard drinks/day on average).
• Currently following an extremely restrictive diet or having done so within the past 3 months.
• Participation in another clinical research trial within 30 days prior to randomization.
• Cognitively impaired or unable to provide informed consent.
• Any other condition that, in the Investigator's opinion, may adversely affect the participant's ability to complete the study or its measures, or that may pose significant risk to the participant.