US$ 28.42
can you use.injectable.b12 under tounge Vitamin B-12 2500 mcg Sublingual, 100 Microlozenges (3861) Sublingual means under the tongue.
Description
Kannt, A
Long-term studies in animals to evaluate carcinogenic potential have not been done

It happens because the stomach lacks intrinsic factor, a protein needed for absorption

In this case, the deficiency from either of them alone will be better than having both of them, because having both will make the consequences more severe
