Brain Responses to Short-Chain Fatty Acid Intervention

Colon-delivery capsules of Short-Chain Fatty Acids will be administered in a ratio of 60:20:20, thus 150 mmol of acetate, 50 mmol of propionate and 50 mmol of butyrate equivalent to 20g of fibers, once daily, one week

Microcrystalline Cellulose will be used as placebo, one daily, one week