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Regarding increasing vitamin B12 levels, the IM route ranked first, followed by the SL route (MD = 94.09 and 43.31 pg/mL, respectively) compared to the oral route
Side effects of Fresan B Injection Common side effects of Fresan B Injection site reactions (pain, swelling, redness) Nausea Vomiting Diarrhea Limited data available How to use Fresan B Injection How Fresan B Injection works Quick tips Stick to the prescribed frequency for best results
Consult a healthcare provider if you experience: Persistent injection site reactions, signs of allergic reaction (rash, difficulty breathing, swelling), or any concerning symptoms that do not resolve quickly
A lack of B12 can disrupt this process and impact how well the hair grows
