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Skincare Treatments: B12 can support skin health when combined with targeted skincare therapies
Factors That Affect How Long B12 Injections Last Several factors may influence how long the effects of a B12 injection last in your system, potentially explaining why some patients require more frequent injections than others, even with the same underlying condition
For example, they might use 2.4 mg for 12 weeks, then reduce to 1.0 mg for 4 weeks, then return to 2.4 mg
Because vitamin pills can be difficult to digest and often contain a multitude of ineffective substances, injections are a much-preferred, direct method
In the absence of safety data, most clinicians advise that pregnant or breastfeeding individuals avoid this compounded preparation unless the anticipated benefit clearly outweighs theoretical fetal or neonatal risks