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can you buy b12 injections over the counter in uk Where I Shots A And Ireland Guide Vitamin B12 shots: Uses, benefits,
Description
Endurance Athletes: Those participating in long-duration events can benefit from improved energy metabolism and oxygen delivery
Can I self-administer Vitamin B12 injections

Follow-up lab tests may be recommended to monitor your levels

Diet: heavy alcohol use and certain nutrients can lower your B12, so you may notice effects fading sooner

Coeliac disease, inflammatory bowel disease (Crohn's disease or ulcerative colitis), and chronic pancreatitis can all cause both B12 malabsorption and diarrhoea
Taking only the required amount reduces this risk
