Gomes A, Ilter D, Low V, Endress J, Fernndez-Garca J, Rosenzweig A, Schild T, Broekaert D, Ahmed A, Planque M, Elia I, Han J, Kinzig C, Mullarky E, Mutvei A, Asara J, de Cabo R, Cantley L, Dephoure N, Fendt S, Blenis J
The B12 in the Optimal Balance Pharmacy formulation directly addresses the last factor
While in rare cases some people get an allergic reaction, Vitamin B12 injections are considered safe
In many cases, switching from oral to intramuscular B12 circumvents absorption issues entirely, providing reliable therapeutic levels regardless of gastrointestinal factors or drug interactions
"Comparative Bioavailability and Utilization of Particular Forms of B12 Supplements With Potential to Mitigate B12-related Genetic Polymorphisms", Integrative Medicine: A Clinician's Journal (Encinitas)