Pay in 4 interest-free payments of $6.38 Learn more
Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
The benzyl alcohol preservative maintains bacteriostatic protection for up to 28 days from first vial entry under recommended storage conditions
But they actually have quite alot of options for us guys to
B12 issues tend to be from inability to absorb rather than actual deficiency
Why the 28-day rule deserves more respect than it gets Working with laboratory reagents over many years, I have seen the 28-day rule treated as a suggestion more often than I would like to admit
US$ 20.02
US$ 25.26
US$ 29.17
