can b12 injections delay your period Do Help with Fatigue and Low Energy? B12 Injection Delays: Navigating UK
Description
Colchicine, para-aminosalicylic acid and heavy alcohol intake for longer than two weeks may produce malabsorption of Vitamin B12

It is helpful in preventing fatigue and may also be useful in some cases of allergies because it reduces histamine release

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Vitamin B can also decrease serum levels of certain anticonvulsant medications
