While the effects of a vitamin B12 injected will become noticeable around 24 hours after administration, they will start to take effect almost immediately and will stay in your system for around 1 week, but may vary depending on the metabolic rate of the patient
The Role of Vitamin B12 in Your Health Vitamin B12 is an essential vitamin critical for several different bodily functions, including: Energy Synthesis: B12 is necessary for red blood cell generation and general nervous system health
The less efficient oxygen transport can also cause fatigue and weakness
Clinical Information Pernicious anemia is a complex condition stemming from a vitamin B12 deficiency, essential for making red blood cells and maintaining a healthy nervous system
*Vegan Friendly Vitamin B12 Cyanocobalamin B12 Health Benefits Relieves the body of fatigue and weakness, potentially improving stamina Treats pernicious anemia Treats sickle cell anemia Produces energy Assists in weight loss Keeps you thinking clearly and fights depression Maintains proper heart functioning Maintains a strong nervous system Supports DNA replication and keeps your cells and you looking younger Protects your heart Used to treat and prevent Alzheimer's disease Might help to prevent breast cancer More information, precautions and interactions can be found under the "About B Vitamins tab." Before taking any new medication, either prescription or over-the-counter, check with your doctor or pharmacist