A nutritional composition particularly suitable for use by morbidly obese patients pre and post bariatric surgery comprises 20-60 wt% protein source, 15 -55wt% carbohydrate, 10-20 wt% soluble dietary fibres, less than 10 wt% fat and micronutrients. The micronutrients comprise 0.75-3 wt% calcium, 0.5-1.8 wt% phosphorus, 12.5-100 mg/100g of iron, 10-100 mcg/100g vitamin D,and 175-560 mcg/10Og vitamin B12 the wt% being based on the dry weight of the total composition.
