If you are going vegan, it is important to make sure you get enough vitamin B12 – commonly found in meat, eggs and fish – as without it, you will feel exhausted and weak. You can get B12 from fortified foods including “dairy alternatives, breakfast cereal, dairy-free spread and yeast extract. Alternatively, you can take a B12 supplement, which you can buy in most pharmacies and health-food stores. We also advises you think about your calcium intake. “Fortified plant milk contains the same amount of calcium as cow’s milk, and fortified yoghurt alternatives, calcium-set tofu, and a soya and linseed bread fortified with extra calcium are also really good sources .