bpc 157 canada BPC-157 Storage Temperature & Shelf Life: Complete Research Guide Public advisory - Unauthorized injectable
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[DOI] [PubMed] [Google Scholar] 2.Sikiric P, Seiwerth S, Grabarevic Z, Rucman R, Petek M, Jagic V, et al
Fish, eggs, meat, poultry, and dairy products are all B12-rich foods
May 1986;4(2):223-233
That's not a failure of B12 that's how targeted nutrition works
Without the preservative, every time you puncture the stopper, you risk introducing contaminants
