how quickly does b12 injection work Injections: Who Should Get Them and Long Do They Last? How Quickly Does B12 Shot

In vials, they can look like a powder, a few smaller hockey pucks, or even just a few spots

Vitamin B 12 deficiency symptoms may include: strange sensations, numbness, or tingling in the hands, legs, or feet difficulty walking (staggering, balance problems) anemia a swollen, inflamed tongue difficulty thinking and reasoning (cognitive difficulties), or memory loss weakness fatigue While an experienced physician may notice the symptoms and be able to detect a vitamin B 12 deficiency with a good interview and physical exam, a blood test is needed to confirm the condition

This form of B12 has been used safely for decades to treat B12 deficiency and is approved by regulatory agencies like the FDA

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Conditions that interfere with nutrient absorption, such as celiac disease or Crohn's disease, can cause B 12 trouble