b12 injections better than tablets Vitamin B-12 Vs Oral Pills: Expert Insights B12 Injections or Oral B12:

Your healthcare provider may order several blood tests if a deficiency is suspected: Serum Vitamin B12 level : Measures circulating B12

Once a healthcare professional has properly trained you, an intramuscular injection is easily administered

For individuals without absorption issues, Lifeline Primary Care usually suggests oral B12 supplements or sublingual preparations

Comparable timelines in humans remain unknown

The four forms (vitamins) of B12 are all deeply red colored crystals and water solutions, due to the color of the cobalt-corrin complex (biologically relevant enzyme, it is the "core" of vitamin B12)

But the question is how often can you get a B12 shot