While food from an animal is rich in B12, some meat-eaters dont absorb it very well, not only vegans and vegetarians
If response at 300mcg appears minimal after two weeks, increase to 400mcg
Therapeutic doses of vitamin D can differ based on the same variables, but 50,000 IU (1,250 mcg) is a common amount according to the journal Nutrients
For those who have tried oral supplements without meaningful improvement, IV therapy represents a practical next step worth discussing with a healthcare provider
Patients should be advised to report new or worsening neurological symptoms promptly, as these may indicate progressive deficiency requiring more aggressive intervention
Preventing anemia and heart disease