vitamin b12 injections+self administration Safe Injection Guide at Home Vitamin B12 Injection - Self

Any other odor is a warning sign

That said, signs or symptoms that you may be low in vitamin B12 include: fatigue pale skin headaches symptoms of depression stomach issues difficulty focusing or concentrating pain or inflammation in the mouth or on the tongue burning or pins and needles feeling in your hands or feet muscle cramps vision changes Learn more: Signs and symptoms of B12 deficiency

Age Our bodies' absorption capacities for nutrients like vitamin B12 may decline with aging

Once mixed, the final solution should be approximately isotonic if given IV (meaning it should contain appropriate solute concentration for safety)

It's also important that folate intake doesn't mask a B12 deficiency, which requires professional oversight to prevent nervous system damage