bac water life Bacteriostatic 101: Comprehensive Guide to Its Uses and Storage – SyringesNeedlesDepot BAC Water 3mL, 10mL Laboratory
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You can get pernicious anemia if: You have an autoimmune disease that makes your immune system attack the cells in your stomach that produce intrinsic factor, a protein that helps your body absorb B12

Official bacteriostatic water labeling also says the solution should be clear and the seal intact

Ultra-high-dose methylcobalamin in amyotrophic lateral sclerosis: a long-term phase II/III randomised controlled study

Without enough B12, the body struggles to produce healthy red blood cells, which in turn reduces the oxygen-carrying capacity of the blood
