However, someone with a more severe, long-standing deficiency might need to wait a little longer, possibly requiring multiple injections over several weeks or months to fully replenish their B12 stores and reverse symptoms
People who have Allergies to methylcobalamin or cyanocobalamin liver or kidney disease If you have Eye issues like Lebers disease A recent infection If consuming bone marrow medication You should consult your medical consultant or doctor about the above conditions before getting B12 injections
Patients inject once daily, before sleep, at least 2 hours after their last meal
This means that the vitamin is immediately available for the body to use without the need for complex digestion and absorption processes
What the evidence does not establish: Human efficacy at clinically meaningful magnitudes, long-term safety, cardiovascular profile under chronic dosing
Users who set realistic timelines (4 to 12 weeks for skin, 3 to 6 months for hair), document progress under consistent lighting, pair the protocol with daily SPF, and stick with a quality product almost always see meaningful change
