Investigators: Prof Jerome Sarris, Ms Tanya Freijy, Prof Felice Jacka, Dr Jason Hawrelak, Prof Julia Rucklidge, Dr Rachelle Opie, Ms Georgina Oliver, Dr Jenifer Murphy, Ms Rosemary Arnold, Prof Chee Ng
PROBIOTICS are live bacteria that provide health benefits when ingested in adequate amounts. They help to balance 'bad' bacteria in the gut environment, protect you from disease, and produce vitamins and other beneficial compounds. Probiotics are found naturally in fermented foods such as yoghurt and sauerkraut. In this study, a multi-strain probiotic supplement will be used to maintain control over type and amount of probiotics administered. Fermented foods high in probiotic bacteria will be excluded from the diet. A PREBIOTIC is a non-digestible type of dietary fibre that feeds the gut bacteria, thereby beneficially influencing the composition and/or activity of the gut microbial population. GUT FEELINGS will be the first randomised controlled trial examining the effects of food-based prebiotics on mental health.
If you are eligible to participate, you will be randomly allocated to take probiotic OR placebo capsules. You will be given capsules to take each morning and evening for the 8-week study period. In addition, you will be randomly allocated to follow a high-prebiotic diet OR make no changes to your diet. Over the 8-weeks, you will be required to attend 3 appointments at The Melbourne Clinic, Richmond, VIC. You will meet with one of the researchers and complete questionnaires and assessments regarding your mental health symptoms and physical health. At home, you will need to complete brief online assessments related to diet and mental health symptoms every fortnight during the study. Please note that participants are not paid for their involvement in the study.
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