CALM Study: Can A Prebiotic Fibre bLend Improve Stress, Mood, and Anxiety?

Who May Qualify: - Aged 18-50 years of age - Capacity to give willing to sign a consent form to participate in the study - Able to comply with study requirements and visits - Meet the range required for mild-severe stress levels (as assessed by DASS-42 stress subscale) - Normal or corrected to normal vision and/or hearing Who Should NOT Join This Trial: - Current smoker - Having food allergies and/or intolerances - Diagnosis of Type 1 or 2 diabetes or cardiovascular disease or psychiatric or neurological conditions (e.g. schizophrenia, dementia) including eating disorders - Current or previous diagnosis of depression in past 6 months - Receiving medications that lower cholesterol, blood pressure, blood glucose levels, or improve insulin sensitivity - Receiving antidepressant or anti-anxiety medications or treatments - Receiving hormonal birth control - Perimenopause or menopause - Pregnancy, lactation, or an intent to become pregnant during the course of the study - Continuous antibiotic use for \> 3 days within 1 month prior to enrolment - Continuous use of weight-loss drug for \> 1 month before screening - Major change in dietary intake in past month (e.g. excluding whole food groups) - Currently consuming daily prebiotic or probiotic supplements - Prior use (\< 6 months) of any blood glucose or cholesterol lowering medication - Any significant GI condition affecting GI absorption including (but not limited to) inflammatory bowel disease, weight loss surgery, irritable bowel disease. - End stage renal disease - Active cancer, or treatment for any cancer, in last 3 years - Consuming more than 20g of fibre a day as assessed by the 18-item FiberScreen Always talk to your doctor about whether this trial is right for you.