They may include: Slight discomfort at the injection site Mild redness or swelling Temporary dizziness Mild headache Serious side effects are uncommon, but it is important to discuss medical history, allergies, medications, and any concerns before treatment
As a result, it can take more than 48 hours for cyanocobalamin to eventually convert to usable B12, and even then only a small amount of converted and absorbed
The 10 mg vial format requires multiple vials for longer protocols, so plan your supplies accordingly
(2008) in Hematology/Oncology Clinics of North America, digestive conditions such as pernicious anemia or celiac disease can hinder vitamin B12 absorption
Tang, T
A favorable check-in can still include nausea, fatigue, or injection-site reactions