Colchicine, Neomycin, Aminosalicylic Acid, H2-blockers (e.g., Ranitidine), and Proton Pump Inhibitors (PPIs, e.g., Omeprazole): These oral medications can all interfere with the intestinal absorption of dietary B12, making the need for injectable B12 more pronounced
Evening injection is an alternative approach
Benton CB, Takahashi K, Bose P, Wang F, H-C C, Zheng X, Zhang J, Wang X, Su X, Montalban-Bravo G, Issa GC, Daver N, Jabbour EJ, DiNardo CD, MD, Bueso-Ramos CE, Patel K, Kornblau SM , Konopleva M, Borthakur G, Kadia TM, Cortes JE, Ravandi F, Andreeff M, Garcia-Manero G, Futreal A, Kantarjian HM
N-Acetylcysteine Add-On Treatment in Refractory Obsessive-Compulsive Disorder: A Randomized, Double-Blind, Placebo-Controlled Trial
Intrinsic factor production often decreases with aging
[16] [2] Anastrozole [edit] Anastrozole, brand name Arimidex, is a type of anti-estrogen used in treatment of breast cancer but is also used by bodybuilders to combat the estrogenic side effects associated with using anabolic steroids