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Vitamin B12 injections, or B12 shots, deliver a concentrated dose of Vitamin B12 directly into the bloodstream through an intramuscular injection

Who really benefits B12 shots make the biggest difference for people who are genuinely low, including: People with a diagnosed B12 deficiency Vegans and vegetarians, since B12 comes mainly from animal foods Older adults, who absorb B12 less efficiently People with pernicious anemia or digestive conditions that block absorption How to use B12 shots the right way If you decide B12 shots fit your plan, treat them as one piece of a bigger picture: Build the plan on food

The gauge refers to the thickness of the needle

While some private clinics offer B12 injections as part of wellness programmes, these operate outside NHS prescribing guidelines

These diseases can prevent your body from absorbing the vitamins from your food