Dimet-Wiley A, Wu Q, Wiley JT, et al
One reason is being low in a type of compound produced within the stomach called intrinsic factor (a type of glycoprotein), which combines with vitamin B12 once consumed in order to allow it to be absorbed
CL Answer Is spirulina safe
What Might Cost Extra Elsewhere Other providers may charge separately for initial consultation ($100-$300), follow-up appointments ($50-$150 each), lab work and testing ($100-$500), supplies and injection materials, and prescription fees
The bacteria, which is found in water, soil and dust, can contaminate medical devices, according to the US Centers for Disease Control and Prevention (CDC)