Ian Marber is one of the best-known and well-regarded nutrition therapists in the UK. He is a best-selling author, award winning health writer and food expert, known for his practical...

One of the main benefits of cod liver oil is its high content of omega-3 fatty acids—primarily EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid).

B3 is found in many foods, especially those rich in protein, such as poultry, fish, red meat and liver. Chestnut mushrooms are also a good source, whilst brown rice and...