Meaning, if you're swallowing folic acid, your doc might miss the obvious signs of low B12 until more serious neurological symptoms like difficulty walking or memory issues pop up, says Zhaoping Li, M.D., director of UCLA's Center for Human Nutrition
Oxidative-stress testing is not appropriate for evaluating a medical emergency
A subcutaneous (under-the-skin) vial format exists, but the dose volume math makes injection awkward at common doses
Available from: Hariz A, Bhattacharya PT
This compound is supplied for laboratory research use only
Call Your Provider Promptly For Severe abdominal pain (possible pancreatitis) Persistent vomiting that prevents fluid intake Right-upper-quadrant pain that radiates to the back or shoulder (possible gallbladder issue) Sudden vision changes (rare, but reported) Symptoms of severe dehydration: dizziness on standing, dark urine, dry mouth For a deeper dive on what to expect over time, our side effect timeline guide walks through duration and management for each common issue