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Hu Z, Chen Y, Zhu S, Feng X, Zhang B, Huang J
Yes, B12 shots are considered safe while breastfeeding and can even support your babys development through breast milk
Proper storage also helps maintain the sterility of your injections , reducing the risk of contamination
They go to the gray market, buy "research only" vials from sellers with no sterility data and no accountability, and hope for the best
