Conveniently located off the 405 Freeway, Redefine Health & Wellness serves clients from Fountain Valley, Costa Mesa, Seal Beach, and surrounding Orange County areas
2022 Jul 13;2022:6813017
Although rare, adverse effects of high-dose vitamin B12 have been reported, including allergic reactions such as fever, rash, itching, hot flushes, dizziness, and nausea, across all cobalamin forms and administration routes (Caballero et al., 2007)
Theres no downtime required
Whatever method you choose, you'll have to take B12 supplements for life
B12 absorption is regulated through intrinsic factor, which is produced by gastric parietal cells in the stomach, with the B12-intrinsic factor complex being absorbed in the terminal ileum