b12 injections toxicity Feeling worse after Injection: Answering concerns Vitamin B12 Side Effects
Description
2002 Nov;132(11):3353-5
Read More: Best Endocrinologists That Accept Medicare Medicare Part B: Pros and Cons Part B is the medical insurance side of traditional Medicare plans

Injectable form may appeal to those with absorption issues (celiac disease, pernicious anemia, post-bariatric surgery), but baseline testing should confirm malabsorption
People may have irregular bleeding with pills initially, but generally, this will become a regular, predictable bleed each month
