does b12 injections cause weight gain for Loss Does vitamin B12 cause weight
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I'm 56 and have not had a period in 6 years
Once stabilized, maintenance doses are typically administered every one to three months

That is a conversation to have with your GP or a specialist haematologist, not a reason to add a private injection on top of an NHS schedule without telling either provider

Biotin (Vitamin B7) A vitamin essential for many bodily functions, including the metabolism of carbohydrates, fats and proteins

Not intended for human or animal consumption