do i need a b12 injection The Advantages of Injections Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine B12 Injection vs. Oral Supplements:

Despite being a water-soluble vitamin, you can only obtain this vitamin primarily through animal foods like meat, milk, and eggs

Understanding the potential side effects of a B12 shot helps you know what is normal and when to reach out to us

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

Because the two pathways dont compete for the same receptors, researchers have noted this as a mechanistically distinct pairing worth studying one acting directly on adipocytes, the other acting systemically through growth hormone signaling