is it safe to get b12 injections Shots Side Effects And How Treat Them How Long Does It Take

PMID 28843240

Slower Results : It can take longer to experience the benefits of oral B12 supplementation compared to injections, especially if B12 levels are already very low

20 Systematic reviews: Oral vitamin B 12 replacement for the treatment of pernicious anemia 21 Relevant articles were identified by PubMed search from January 1, 1980 to March 31, 2016, focusing on patients with pernicious anemia

doi: 10.2337/diabetes.50.8.1714

Throw away opened multi-dose vial or single-patient-use KwikPen after a total of 30 days at room temperature, 30 days after first use, or after taking 4 weekly doses, even if there is medicine left in it