Standard titration protocol from clinical trials The Phase 2 NEJM trial used the following escalation schedule for the 12 mg dose group: Weeks 1 through 4: 2 mg once weekly (subcutaneous) Weeks 5 through 8: 4 mg once weekly Weeks 9 through 12: 8 mg once weekly Week 13 and beyond: 12 mg once weekly (maintenance dose) For the 8 mg target dose, the schedule was: Weeks 1 through 4: 2 mg once weekly Weeks 5 through 8: 4 mg once weekly Week 9 and beyond: 8 mg once weekly (maintenance dose) These titration schedules are not suggestions
This water-soluble vitamin is not naturally created by your body, and large quantities of it can also be found in fish, seafood, and red meat, while smaller amounts of B12 are found in eggs, dairy products, and various cereals
Hsieh CL, Goldsmith JA, Schaub JM, DiVenere AM, Kuo HC, Javanmardi K, et al
Elderly Individuals : Older adults often have decreased stomach acid production, which can lead to reduced B12 absorption