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[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
B12 shots are affordable enough that we advise to stay well within the expiration date, and avoiding expired B12 shots whenever possible
But as your B12 level rises, youll be able to get them more infrequently
The absence of specific warnings does not mean a medicine is safe for all users
B12 is only found in animal products (meat, eggs, shellfish, dairy), making deficiency especially common among vegans and vegetarians
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