are b12 patches as effective as injections Choosing Between the B12 Shot

I was told my iron and ferritin levels were fine, but I accessed my medical records and my ferritin levels were scraping along the bottom in the 20s for years

"Systematic review and pragmatic clinical approach to oral and nasal vitamin B12 (cobalamin) treatment in patients with vitamin B12 deficiency related to gastrointestinal disorders"

Guidelines on the diagnosis and treatment of male infertility

doi: 10.1007/s40257-018-0409-y

Unfortunately, some patients have difficulty absorbing an adequate amount of vitamin 12 because they do not produce enough stomach acid due to a condition called autoimmune atrophic gastritis which can cause a deficiency of vitamin B12

Abdominal obesity, also known as visceral obesity, is one of the most difficult types of overweight to combat