Orthopedic claims B12 tablet gives 'false positive results' compared to injection; internal medicine expert says 'not necessarily true' Health News The Indian Express Staying healthy this time of year starts at the cellular level, and B12 plays a major role., Vitamin B12 supports energy production, nervous system function, red blood cell formation, and immune Vitamin B12 injections deliver high doses of this essential vitamin directly into your bloodstream for better absorption than oral supplements to boost energy, support red blood cell production and maintain nerve function. HYDROXOCOBALAMIN INJ, USP, 1000MCG ML, MDV, 30ML NDC 00591288830 NON RETURNABLE Merit Pharmaceutical