vitamin b complex with b12 injection The Advantages of Injections Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine vitamin solution for use in the relief of B vitamin deficiencies and to provide supplemental nutritional vitamins to cattle B - complex liver extrcat

For patients whose levels fall in the borderline or gray zone, a methylmalonic acid (MMA) test provides greater specificity MMA levels rise when B12 is functionally inadequate at the cellular level, even if serum B12 appears borderline normal

Because chronic inflammation is strongly associated with metabolic dysfunction, this mechanism has generated interest among researchers studying metabolic disease

However, other studies haven't seen a link between low levels of B12 and cognitive problems or an improvement in these symptoms after getting extra doses of B12

If you want to compare the two methods, start with their dosage amounts