Alcohol Consumption Excessive alcohol use can damage the stomach lining, reducing the body's ability to absorb B12
If a provider is an SCH, as set forth in the regulations at 412.92, or an EACH, which is considered to be an SCH under section 1886(d)(5)(D)(iii)(III) of the Act, and located in a rural area, as defined in 412.64(b), or is treated as being located in a rural area under 412.103, multiply the wage index adjusted payment rate by 1.071 to calculate the total payment
If you have certain stomach or intestinal conditions If you have atrophic gastritis, celiac disease, Crohns disease, or have had stomach or intestinal surgery, its possible youre not able to properly absorb vitamin B12 from foods and need to use dietary supplements to meet your daily intake needs
This makes oral supplements less effective for individuals with: Pernicious Anemia: An autoimmune condition where the body can't produce intrinsic factor