PROS AND CONS

The major weight loss can help people with diabetes and raised blood pressure. The low-calorie powder could cause constipation, diarrhoea, nausea, fatigue.

EFFICIENCY:

The powder diet makes it realistic for severely obese people to lose 20 kg in only three months.

DIFFICULTY:

The diet's simple programme is easy to practise, but it is extremely difficult to maintain your weight after the diet.