[PubMed | ClinicalTrials.gov | DOI] Garvey WT, Batterham RL, Bhatt DL, et al
Symptoms of vitamin B12 deficiency: extreme tiredness a lack of energy pins and needles a sore and red tongue mouth ulcers muscle weakness problems with your vision psychological problems, which can range from mild depression or anxiety to confusion and dementia problems with memory, understanding and judgement Causes of a vitamin B12 deficiency: pernicious anaemia a lack of these vitamins in your diet medicine certain medicines, including anticonvulsants and proton pump inhibitors (PPIs), can affect how much of these vitamins your body absorbs
Factors to Consider When Choosing Needles for B12 Injections The choice of needle can impact the comfort of the injection and the accuracy of dosage delivery
Very easy to administer, instructions are great and it works
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Minor effects like mild redness or tenderness at the injection site are usually short-lived, and serious reactions are rare