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Symptoms of vitamin B12 and folic acid deficiency anemia include: Shortness of breath Headache Indigestion Loss of appetite Heart palpitations Vision problems Feeling weak or tired Diarrhea Pain or redness of the tongue, sometimes with mouth sores Problems with memory, comprehension, and judgment (cognitive changes) Some of these symptoms may also occur in people who are deficient in vitamin B12 or folic acid but are not anemic
When you lack B12, your red blood cells become malformed, and the oxygen delivery is compromised, making you feel tired
How is a B12 injection different from a B12 tablet