About this article Cite this article Atwal, P., Medina, C., Burrage, L
Always consult a licensed healthcare provider before starting, stopping, or changing any prescription medication.
Anyone can be affected, but some groups are more at risk: Vegetarians and vegans, since B12 mainly comes from animal products Older adults, as absorption gets harder with age People with digestive issues like Crohns or coeliac disease Those taking certain medications, such as long-term metformin or stomach acid reducers People with pernicious anaemia, an autoimmune condition that stops you from absorbing B12 If you fit into one of these categories and notice symptoms, its worth getting your levels checked
They keep your knee from moving side to side too much