Doctors often recommend it as part of long-term therapy for patients who have absorption problems or cannot maintain sufficient B12 through diet alone
Those with more stress in their lives, typically use more magnesium in the brain, leaving them prone to brain fog, tiredness and fatigue, which are common symptoms associated with stress and anxiety
Using all three approved sites spreads the injection load across maximum available tissue, reducing the risk of localized problems at any single site
The Cardiovascular Health Study
Additionally, fatigue may occur as the body adapts to the medication, alongside headaches that can usually be alleviated with proper hydration and rest
Clinical trials establishing its safety and efficacy used weekly dosing on a specific escalation schedule, making that the evidence-supported standard