Vitamin B12 Shots Confer No Benefit vs. a Supplement Gene Food Injectable Vitamin B12 Indications. . First line treatment for symptomatic B12 deficiency is? . . #doctor #drshujat #medicalstudent #medstudent #mbbs #medical #vitaminb12 #vitaminb12deficiency #vitamins #vitamindeficiency #anemia B12 Folate normal ranges in blood work can be between 220 and 1200. I personally think anything under 600 is too low. B12 injections are the best (by pass digestion) and you can Vitamin B12 Deficiency: Recognition and Management AFP The New Vitamin B12 Deficiency Test B12 Shots for Weight Loss: What You Need to Know ISSA