b12 injection for flu Vitamin Cyanocobalamin 1,000 mcg, 25/Box (Rx) — Mountainside Medical Boost Your Immunity This Flu
Description
[DOI] [PubMed] [Google Scholar] 82.Food and Nutrition Board
Also, people who have had surgery on their intestines, like weight loss surgery, or have diseases that affect the gut, like Crohns disease or celiac disease, are also at risk of not getting enough vitamin B12

Blue Cross Blue Shield: BCBS plans vary significantly by state and region

Note: Limit use to 90 days unless reassessed by hematologic testing

They can assess your individual needs and recommend the most appropriate treatment plan
