The Symbiont-Restore Study

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• Potential Participants will be excluded from the study if they meet any of the below criteria:
  • Are pregnant, lactating or post-menopausal or women who are planning to become pregnant over the study period.
  • Have hypersensitivity, allergy, or intolerance to any of the components of the investigational products.
  • Have received antibiotic treatment within three months prior to baseline.
  • Are taking a medication that the investigator believes would interfere with the objectives of the study, pose a safety risk, or confound the interpretation of the study results. Participants should have a wash-out period of two-weeks for each of these medications except for antibiotics, which should not have been taken in the previous three months. Participants taking proton pump inhibitors will be allowed into the study if the dose has been stable for at least two months prior to baseline. Similarly, occasional use of over-the-counter non-steroidal analgesics may be acceptable (at the discretion of the Chief Investigator). However, participants will be required to note any medications consumed via the Medical History, Medications and Supplements Log (MR2006).
  • Have a history or indication of drug and/or alcohol abuse at the time of enrolment.
  • Have a significant active and medically diagnosed acute or chronic co-existing illness including metabolic, psychiatric, or gastrointestinal disease (such as diarrhoea, Crohn's disease, ulcerative colitis, IBS, diverticulosis, stomach or duodenal ulcers, hepatitis A/B/C, HIV, cancer etc.). Participants that have a significant family history of such diseases or any other condition which contraindicates, in the investigator's judgement, entry to the study will also be excluded.
  • Habitual consumption of >2 alcoholic beverages/day (>28g ethanol/day).
  • Are vegetarian or vegan, those with a typical fibre intake of >30g/day and those that have used dietary supplements (prebiotics/probiotics) in the month leading up to the study.
  • Have made major dietary changes within three months prior to baseline and those with major lifestyle changes planned during the study (e.g., diet, exercise, extensive travel etc).
  • Those with clinically diagnosed eating disorders.
  • Have active gastrointestinal disorder or previous gastrointestinal surgery.
  • Have a chronic medication treatment (e.g., anti-hypertensive medications) of unstable dosage, defined as having been changed within two months prior to baseline.
  • Are severely immunocompromised (HIV positive, transplant recipients, on any anti-rejection medications, on a systemic-acting steroid for >30 days, or have had chemotherapy or radiotherapy in the last 12 months.
  • Have a malignant disease or any concomitant end-stage organ disease.
  • Have symptomatic illness, that in the opinion of the Investigator, contraindicates entry onto the study.
  • Experienced alarm features such as unexplained weight loss, rectal bleeding, a recent change in bowel habits, or significant abdominal pain within three months prior to baseline.
  • Individuals who, in the opinion of the investigator, are considered to be poor attendees or unlikely for any reason to be able to comply with the trial.
  • Participants may not be receiving treatment involving experimental drugs.
  • If the Participant has been in a recent experimental trial, these must have been completed not less than 30 days prior to this study.
  • Any Participant that regularly undertakes rigorous exercise defined by International Physical Activity Questionnaire with a score within category 3, Health Enhancing Physical Activity (HEPA) Active.
  • Individuals with pacemakers or implantable cardioverter defibrillators.

• To be considered eligible for enrolment into the study, potential Participants must:
  • Be able to give written informed consent.
  • Be between 18 and 55 years of age.
  • Self-identify as White.
  • Have a BMI of 30-40 kg/m2 and waist circumference of ≥102cm (males) or ≥88cm (females).
  • Have a stable body weight (≤5% change) over the past three months.
  • Be in general good health, as determined by interview and having systolic blood pressure less than 160 mm Hg and diastolic blood pressure less than 100 mm Hg (defined as hypertension stage 2), taken by the investigator.
  • Be willing to avoid consuming dietary supplements, prebiotics, probiotics, or fibre-rich supplements within four weeks prior to the baseline visit and until the end of the study.
  • Be willing to maintain their current level of physical activity.
  • Be willing to consume the investigational product daily for the duration of the study.
  • Be willing to maintain their habitual diet for the duration of the study.