The studies were done on rodents, the b12 isnt available in the kidneys for very long, weeks, not months it seems.and whether humans with b12 deficiency because of a broken system can access this b12 we wont know without further research
Seven A, Guzel S, Seymen O, Civelek S, Bolayirli M, Uncu M, Burcak G (2004) Effects of vitamin E supplementation on oxidative stress in streptozotocin induced diabetic rats: investigation of liver and plasma
Storage and handling Before reconstitution (powder) Storage : Refrigerate at 2-8C (36-46F) Shelf life : 2-3 years when properly stored Stability : Very stable as lyophilized powder Travel : Can survive room temperature for short periods (days) After reconstitution (liquid) Storage : Refrigerate immediately at 2-8C Shelf life : 28 days with bacteriostatic water Stability : Degrades over time, use within 28 days Travel : Keep cold (use cooler with ice packs) Light : Protect from direct light (store in box) Handling tips Always use clean technique Don't contaminate vial top Use new needle each time Don't freeze Don't shake vigorously Mark reconstitution date on vial Common mistakes with 5mg vials Using wrong water Mistake : Using sterile water instead of bacteriostatic water
Storage in opaque containers provides light protection without individual vial wrapping
