Our expert says:
According to the SA Food Tables buttermilk provides 169 kJ, only 0.9 g of fat and 116 mg of calcium per 100 ml. It is, therefore, not high in energy and a good source of calcium, similar te milk. It also contains potassium and vitamin B2, which are protective nutrients. Drinking buttermilk is thus a healthy habit, BUT if your hubby drinks 2 litres a day this means he is ingesting 3,380 kJ/day from all this buttermilk, which represents 40,2% of this daily energy requirement if he, as an adult man is trying to lose weight. This is a big percentage and if he is not reducing the rest of his food intake then having so much buttermilk per day could hamper weightloss. It is always a good idea to eat a variety of foods and not to overdo the intake of any one food - moderation is the key! In general, adults should have 3 cups of milk or in this case of buttermilk a day to provide their calcium needs. 3 cups or 750 ml of buttermilk would provide 1,268 kJ/day or 15.1% of an adult mans' energy requirement when slimming which would be more sensible. Of course if your hubby is only consuming buttermilk and nothing else this would cause pronounced weightloss, but not be a very balanced or healthy diet.
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