Consume milk and dairy products such as yoghurt and cheese daily, fish once to twice a week. If you eat meat, you should not consume more than 300 to 600 g per week.
Milk and dairy products are a good source of high quality protein, vitamin B2 and calcium. Saltwater fish supplies you with iodine, and oily fish provides important omega-3 fatty acids. Meat contains available iron as well as selenium and zinc. However, meat and particularly sausage also contain unfavourable substances.