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If left untreated, vitamin B12 deficiency can cause neurological changes, such as numbness or tingling in the hands and feet
Get enough through food or supplementation if you need it, especially if you are vegan, older or have a condition that affects absorption
The 2026 Prohibited List, Section S2.2.3 (Growth hormone, its analogs and fragments)
B12 injections are especially effective, as they provide direct absorption for optimal immune function
Optimal Balance Pharmacy ships multiple concentrations across the titration ladder for RxPepsDirect prescriptions, and your shipment includes a per-vial unit conversion table for safety
Other drugs found to inhibit vitamin B 12 absorption from food include cholestyramine (a bile acid-binding resin used in the treatment of high cholesterol), chloramphenicol and neomycin (antibiotics), and colchicine (medicine for gout treatment)
