Preparing for an Injection Describe any symptoms you've been experiencing to your doctor, especially things like mental fogginess and overall fatigue, so your doctor can make an assessment
While oral supplements can be effective for some, they may not provide the quick boost or high absorption rates needed for people with more significant deficiencies
Weighing the Good, Bad, and Alternative
Heres how to do a subcutaneous injection: Use a 5/8 inch, 25-27G needle
Cyanocobalamin injection: Prescription & dosage information
For those with significant deficiencies, this may be less efficient than the higher, less frequent doses provided by injections