The charged residues like glutamic acid, lysine, and the two aspartic acids enable specific interactions with cellular receptors and signaling molecules
How often you need B12 injections depends on how severe your deficiency is and why you have it
Intravenous (IV) Therapy for Arthritic and Rheumatic Conditions Optimizing Hydration for Joint Health IV therapy provides an efficient way to enhance hydration, crucial for joint lubrication and overall health in patients with arthritis and rheumatic diseases
Notably, the risk of major depressive disorder was the highest among female GLP-1 RA users, with a 216% elevated risk (HR: 3.16, 95% CI 2.983.34) compared to non-users, surpassing the risks of anxiety and suicidal ideations or attempts
Put simply, I don't believe the B12 result, and in my lab, I never saw a result of zero for B12