b12 supplements vs injections The Advantages of Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine B12 Injections vs Oral Supplements:
Description
These are common signs of a B12 deficiency

Depending on your body and the severity of your deficiency, B12 injections can start to work in a matter of hours to a few days

Limited human clinical data

In the BLOOM trial, patients treated with lorcaserin achieved highly significant and absolute weight loss in 1 year, and continuous treatment with lorcaserin over 2 years helped two-thirds of the patients maintain a weight loss of 5% or greater [83]

B12 shots are more easily and quickly absorbed into the body and may be used initially to correct a serious deficiency
