Pay in 4 interest-free payments of $5.47 Learn more
Ships within 48 hours ยท Estimated delivery Aug 11 - Aug 16
Vitamin B12 Food Sources There are so many animal food sources that will give you your daily intake of vitamin B12
B12 and Intrinsic Factor Intrinsic factor is a protein secreted by the cells of the stomach lining
A B12 injection can help replenish the body's B12 levels in such cases directly and efficiently
However, they are not without risks, and potential side effects should be considered
Mechanisms studied in the literature This section summarises what is being studied , not what is claimed to occur in humans
Ausschlielich fr Forschungszwecke (research use only)
US$ 20.64
US$ 29.93
US$ 25.63
US$ 27.92
US$ 22.79
US$ 25.42
US$ 25.27
