Pay in 4 interest-free payments of $6.62 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
: ,
It is made entirely in a lab using solid-phase peptide synthesis a chemical process that builds peptides one amino acid at a time on a polymer resin
The body needs enough intrinsic factor to absorb and reabsorb vitamin B 12 from the bile, the lack of which reduces the time needed to develop a deficiency
They all use the same U-100 scale, where 1 unit equals 0.01 mL, so a given dose is the same number of units on any of them
US$ 25.87
US$ 21.15
US$ 26.91
US$ 27.27
