Starting at conservative doses and titrating upward under provider guidance prevents unnecessary side effects
refrigeration at 4 C (39 F) is acceptable for short-term storage (days to weeks)
For example, your fatigue might be driven by low vitamin D or another cause rather than B12
Symptoms of severe vitamin B12 deficiency can include visual disturbances, severe joint pain, paresthesia (tingling in the hands and feet), memory problems, depression, anxiety, poor muscle function, ataxia (impaired balance and coordination), changes in reflexes and even infertility
Pregnancy/Breastfeeding: Safe when prescribed by a doctor, but consult before use
Prepare assay buffers and consumables before opening the vial to reduce hold time