side effects of too much b12 injections Are Shots Safe? Royal Palm Beach Medical Group Vitamin B12: Symptoms, Dosage &

"Falsely Elevated Serum Vitamin B12 Levels Were Associated with the Severity and Prognosis of Chronic Viral Liver Disease"

But if not enough B12 or other nutrients is to blame, your tongue also may be sore

Most of us know we need iron, but what about ferritin

According to research published in the British Journal of Sports Medicine, IV rehydration has been proposed as an ergogenic aid for athletes to achieve euhydration more effectively than oral routes

Or that certain conditions and diets can cause a vitamin deficiency or affect how nutrients are digested and metabolized

Special Populations Who Benefit from Combined Supplementation Special groups like pregnant women and older adults can really benefit from taking vitamin B12 and iron together