Mild injection site reactions, transient flushing, and gastrointestinal effects are commonly reported
Many foods are fortified with artificial vitamin B12, such as non-dairy milks and cereals, but these are not always optimally absorbed, so vegans must still be proactive about making sure they are not becoming deficient
New York Times
Potential Side Effects of AOD 9604 While AOD 9604 is generally well-tolerated, some individuals may experience:: Upset stomach Headaches Pain or redness at the injection site Always consult with a healthcare professional before starting any new treatment regimen
This injectable formulation allows for much higher plasma concentrations of vitamin C, bypassing the limitations of gastrointestinal absorption and providing rapid systemic availability
But the technique still matters: the needle has to reach muscle, the site has to be clean, and the dose has to be right