Contact your provider if you experience side effects, have questions about dosing, or notice anything unexpected
Some may feel lightheaded or dizzy briefly
Interference with Diagnostic Tests: May affect results of certain laboratory tests, consult with laboratory personnel for appropriate interpretation
Based on a review of your health history, bloodwork, symptoms, and injection response, we may recommend: Increasing your dosage at each shot
INFORMATION HOW TO USE SIDE EFFECTS Vitamin B-12 Basics Vitamin B-12 is available by prescription only
Factors such as body size, metabolism, potential absorption disorders, and dietary intake can influence the frequency and dosage of the shots