injectable vs sublingual b12 The Advantages of Injections Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine Vitamin B12 Injections in Oakland,

While some patients are able to get enough B12 through their consumption of red meats, dairy products, and fish, other patients find their dietary restrictions or metabolism limit the amount of B12 they receive

The four subcutaneous areas that work best are the lower abdomen (away from the navel), the outer thigh, the back of the upper arm, and the flank or love-handle area

Serious side effects are rare at recommended doses, but users should monitor for any unusual symptoms and consult healthcare providers if concerns arise

Though deficiency for those starting out with adequate stores may take years to develop, the results of B12 deficiency can be devastating, with cases reported of paralysis, psychosis, blindness, and even death

Intravenous push and intra-arterial injections are reported under different codes

"National Diet and Nutrition Survey: Adults Aged 19 to 64 Years"