The rapid weight loss diet which features in the programme is based on previous research, including a study from the Nuffield Department of Primary Care Health Sciences, University of Oxford, which involved obese or overweight patients with type 2 diabetes going on an 800-1000 calorie low carbohydrate diet for 8 weeks, followed by 4 weeks when carbohydrates were gradually increased. More information is available at https://pubmed.ncbi.nlm.nih.gov/31709697/
If you are thinking of undertaking a weight loss programme and are on medication for type 2 diabetes or hypertension you should discuss with your doctor before starting any diet.
People for whom a rapid weight loss diet is not suitable include:
(a) Those who are underweight and/ or have an eating disorder, or a history of an eating disorder. Please see https://www.channel4.com/4viewers/help/eatingdisorders for details of support organisations who can help you.
(b) Children (under 18 years old)
(c) Type 1 diabetics
(d) Pregnant women, breast feeding mothers or anyone undergoing fertility treatment
(e) People with a significant psychiatric disorder or history of substance abuse.
(f) People under active investigation or treatment for medical conditions, or those who have a significant medical condition
For more information and help go to: