can you take b12 supplements with b12 injections The Advantages of Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine Vitamin B12 injections vs tablets:

I have found smaller doses (500mcg/injection) more frequently is right for me

The second is dose and route translation : even where an effect is real in a mouse, the human-equivalent dose is not a simple body-weight scaling, and as the route section above stressed there is no human bioavailability figure to anchor an oral-versus-injected comparison

The intrinsic factor-mediated pathway operates regardless of food presence, and the passive diffusion mechanism (responsible for absorbing about 1% of high doses) similarly functions independently of meals

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People believe that B12 injections can speed up their weight loss and help them achieve weight management goals