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b-12 why do people need b12 injections Curious about shots? B12 Shots For Weight Loss:
Description
Its a medical treatment for a diagnosed deficiency, not a general wellness boost
Your needs might be different, so its best to ask your doctor whats right for you

doi:10.1038/nature04056

You may feel pressure or cool sensation as the small amount of liquid is injected into the muscle

In fact, by improving energy levels and metabolism, it may help patients feel more active
