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vitamin B12 supplements

Its best to stick to a regular schedule with B12 shots

Pernicious Anemia and Malabsorption Issues Pernicious anemia stops the body from absorbing Vitamin B12 because it lacks intrinsic factor

[20] For nutritional deficiency without intrinsic-factor loss, shorter courses-such as 30-100 mcg intramuscularly daily for five to ten days followed by 100-200 mcg monthly-are often sufficient

Maintenance dosing schedules: Weekly injections for the first few months Bi-weekly or monthly injections after that Adjusting Frequency Based on Clinical Response The B12 injection schedule might need to change based on how well the treatment works