can you take b12 tablets with b12 injections How Long Does It for Vitamin to Work? Simple Guide Vitamin B12 Supplements and Injections

Neomycin, colchicine, para-aminosalicylic acid, or excessive alcohol intake longer than two weeks may cause malabsorption of vitamin B12. Chloramphenicol and other drugs having bone marrow suppressant properties may cause a lack of therapeutic response to vitamin B12

Elderly patients may have normal B 12 levels with clinically significant B 12 deficiency

Symptoms of pernicious anemia include fatigue, weakness, and neurological changes

The following procedure represents a proven laboratory standard

Vitamin B12 injections support memory, attention, and overall brain function

If you are concerned about your vitamin b12 levels or have any of the symptoms which could suggest that you might be deficient in vitamin b12, you can ask your doctor for a blood test to check your vitamin b12 levels Vitamin b12 blood tests are also offered by private labs and clinics