Zypan Functional Dyspepsia

- A self-reported history of symptoms consistent with Functional Dyspepsia (per Rome IV criteria - See Telephone Screening), and self-reported absence of organic disease and infection (e.g., Helicobacter pylori) with or without a formal diagnosis by a healthcare professional.

- Adults ≥ 60 years of age must have had a normal upper gastrointestinal endoscopy

- Willing to be randomized to take a daily dietary supplement or placebo over the 4-week study period

- Not taken antibiotics or other drugs prescribed specifically for symptoms consistent with Functional Dyspepsia (per Rome IV criteria) for a period up to 1 month before the beginning of the study.

- On a stable dose of all medications prior to study entry (i.e., consistent dose for a minimum of three months)

- On a stable dose of dietary supplements for at least one month prior to enrollment

- Willing to avoid initiation of new supplements and/or medications unless otherwise indicated by a healthcare professional

- Able to communicate via email, complete computer-administered questionnaires, and to read and write in English.

- Approved to be eligible for study participation at the discretion of the Principal Investigators, after review of the Formal Eligibility Screen results.

- Non-smokers (including tobacco and cannabis products, combusted or vaporized)

- Willing to provide written informed consent and to follow the required protocol

- Positive fecal occult blood test (FOBT) at the clinical screening visit

- Current use of digestive enzyme and/or betaine HCL-containing dietary supplements

- Current use of prescribed proton-pump inhibitors

- Current use of drugs that interfere with gastrointestinal motility, including prokinetic agents.

- History of previous abdominal surgery, including gastric surgery, excluding appendectomy.

- Individuals with chronic kidney or liver disease, cancer, colorectal disease and/or other rare disorders that at the discretion of the PI or Clinical Investigator may impact their safety or confound trial results

- Current involvement or within 14 days prior to screening of a significant diet or weight loss program (such as NutriSystem, Jenny Craig, Atkin's or other low-carb diet programs) or very low-calorie liquid diet programs (such as Optifast, Medifast, and/or HMR)

- Hospitalization (for any reason other than a scheduled medical procedure unrelated to Functional Dyspepsia) within 3 months prior to screening

- Malignancy within the last 5 years (with the exception of basal cell carcinoma, squamous cell carcinoma, and/or carcinoma in situ of the cervix)

- Intake of ≥ 2 standardized alcohol-containing beverages per day, 14 per week, or ≥4 in any single day within the past 14 days.

- Individuals who do not consume, or are allergic to, animal products

- Smoking tobacco or nicotine products (combusted or vaporized)

- Use of illicit drugs/substances (such as but not limited to cocaine, phencyclidine (PCP), and methamphetamine) within 14 days of screening

- Currently participating in another interventional research study, or participated in another interventional research study within 14 days of screening