b12 injections vs pills Vitamin B-12 Oral Pills: Expert Insights B12 Injections or Oral B12:

Highly recommended

B12 shots can cause side effects, some of which are serious

While its best-known role is in erythropoiesis (red blood cell formation), its also involved in: DNA synthesis Regeneration of bone marrow, GI lining, and respiratory tract lining Nervous system development and maintenance (11) Prevention of anemia Although a B12 deficiency isnt as common as vitamin D or even folate, it still happens

Have difficulty absorbing B12 through diet or supplements

Start my free visit Illustration only not the actual vial

Measurements such as waist circumference or body fat percentage testing may show modest improvements