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For non-emergency concerns such as persistent injection site reactions or new neurological symptoms, contact your GP or NHS 111
It also plays a key role in energy metabolism and overall cognitive performance
If you have symptoms of B12 deficiency or know you have an MTHFR mutation, working with a healthcare provider to determine the best form and dosage of B12 supplementation is key
Others are modified versions, as with many of the blockbuster GLP-1 weight loss drugs
Based on your symptoms, lifestyle, and potential lab results, your medical provider might recommend a weekly, monthly, or seasonal in-office or at-home injection regimen