Haematological responses occur within 12 weeks, but nerve repair is slower and may be incomplete if deficiency has been prolonged
Nothing dangerous, but absorption will be slower than intended
Excellent dietary sources include : Meat and poultry : beef, lamb, pork, chicken, and particularly organ meats such as liver Fish and shellfish : salmon, trout, tuna, sardines, mackerel, and clams (which are exceptionally rich in B12) Dairy products : milk, cheese, and yoghurt Eggs : particularly the yolk For patients following plant-based diets or those with significantly reduced appetite, fortified foods can provide B12, including fortified breakfast cereals, plant-based milk alternatives, nutritional yeast, and some meat substitutes
We cannot treat under 18s