is b12 injection better than pills Injections vs Oral Supplements: Which are more effective? B12 Shots vs. IV Infusions:
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Without enough, you can feel tired, forgetful, or off balance

Metformin is a drug used to treat type 2 diabetes mellitus and to help prevent type 2 diabetes in patients at high risk of developing it
For many others, high-dose oral B12 works just as well (NIH ODS

You can also have a BMI of at least 27 if you also have a weight-related health condition, such as high blood pressure, cardiovascular disease, or obstructive sleep apnoea
