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Side effects B12 injections are generally considered safe with minimal side effects when administered appropriately
References, Journal of the American Board of Family Medicine, 2020, " Effectiveness of oral versus intramuscular administration of vitamin B12 for treating vitamin B12 deficiency Brito, A., Habeych, E., Silva-Zolezzi, I., Galaffu, N
Solution: Rely on reputable compounding pharmacies or clinics known for stringent quality standards and third-party testing
Clemente-Surez, V
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