These may include: Nausea and stomach upset Diarrhea Constipation Injection site redness or swelling Itching Headache Dizziness Blood clots Swelling In rare cases, some people may experience an allergic reaction to vitamin B12, which can cause symptoms such as hives, difficulty breathing, and swelling of the face, lips, tongue, or throat
If folate levels are low, folic acid should also be administered
Molecular Formula
The two strategies are not interchangeable
Methylcobalamin injection is generally considered safe when administered under the guidance of a healthcare professional, and side effects are typically rare
This is especially important for those who may have difficulty absorbing nutrients due to digestive issues, certain medical conditions, or simply because of age-related changes