Detox diets (aka Cleanses) claim to renew or detox the body. They believe that nutritional deficiencies, congestive problems and consumption of harmful substances cause a build-up which prevents the body from properly eliminating toxins.

Founded in 1969 by Margaret Miles-Bramwell, Slimming World is a diet program with weekly meeting throughout the UK. It encompasses healthy eating, exercises and support groups to help in weight-loss and long-term weight maintenance.

Glycaemic Index (GI) – Sound complicated? It is actually a very simple measure to help you balance the foods you eat. Eating lower GI foods helps avoid energy highs and lows and food cravings, and will help you feel fuller for longer.

Dr. Barry Sears describes his Zone diet as a “moderate-carbohydrate, moderate-protein, moderate fat diet”. It aims to make the body work within its peak performance zone for maximum fat burn and weight loss.

Dr Arthur Agatston, a prominent Miami cardiologist, developed the South Beach diet to improve the health of his patients. He believes other low-carbohydrate diets overlook the healthy aspects of carbohydrates and promote saturated fats and proteins. In contrast, his diet encourages good carbohydrates and limits the bad.