Most people begin their diets on a Monday, indictes the survey. Over four out of 10 regular dieters see Mondays as the logical starting point for it usually following a weekend of excess either at home or by eating and drinking out with friends.
However, it's often in vain as only five days later, by Friday the same week, many people are likely to have already given up the latest new dieting craze.
The research also found that an increasing number of people are realising the benefits of regular healthy eating.
"There has never been any secret to sustaining a healthy diet. It always has been, and always will be, about eating the right foods as part of a balanced diet, and exercising, while allowing yourself a treat now and again," said Arthur.
