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While B12 can be stored in your liver for up to five years, you can become deficient (lacking) in it if you don't get enough
Nature (2002) 418:9428
Bacteriostatic Water Uses Bacteriostatic Water for Injection is sterile water containing 0.9% benzyl alcohol preservative (some vials use 1.1%)
Nicotinamide N-methyltransferase regulates hepatic nutrient metabolism through Sirt1 protein stabilization (in Eng)
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