Symptoms, especially for men, normally start to present around age 4060 and include joint pain, fatigue, abdominal pain, and impotence
B12 supplements are most helpful for those with confirmed deficiency
Consult your doctor before taking this medicine
This work was supported by the Institute of Information & Communications Technology Planning & Evaluation (IITP) under the artificial intelligence semiconductor support program to nurture top talents grant IITP-(2026)-RS-2023-00253914 funded by MSIT
Other ways to raise your B12 If injections are not right for you, there are other options: oral B12 tablets or sublingual drops, more B12-rich foods like fish, eggs, and fortified cereals, or a full weight loss program that combines nutrition, activity, and medical oversight