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Brief Summary:
The goal of this clinical trial is to learn if two different doses of dietary supplements delivered to the lower gut can reduce appetite and food intake in obese adults (men and women aged 18-60 with a BMI of 30-40 kg/m²). The main questions it aims to answer are:
Does the dose of DIM and Perilla oil delivered to the colon affect circulating levels of appetite-suppressing hormones (PYY, GLP-1, ghrelin, GIP and 5-HT)? Does the dose of DIM and Perilla oil delivered to the colon affect total caloric food intake? Does the dose of DIM and Perilla oil delivered to the colon affect hunger and appetite perception?
Researchers will compare a medium dose (250mg DIM + 1050mg Perilla oil) to a low dose (125mg DIM + 525mg Perilla oil) to see if both doses are effective at suppressing appetite and reducing food intake.
Participants will:
Fast from 20:00 h the evening before their study visit Attend a single study visit at the Wingate Institute Clinical Trials Unit, London Take 4 specially coated capsules (targeting the lower gut) at 08:00 and again at 12:00 Have blood samples taken every 30 minutes across 17 time points to measure hormone levels Complete hunger and appetite questionnaires (VAS) every 30 minutes from 08:00 to 16:00 Eat a standardised gender-adjusted breakfast (max 903 kcal) and lunch (max 1340 kcal)