US$ 27.45
dog injections b12 Vitamin B-12 3000 mcg Injection 100mL This prescription form of Cyanocobalamin has 1000 mcg/m Out of Stock - VITA-JEC
Description
However, more research on glutathione injections is needed

Among these tests include the serum level of Vitamin B12, a complete blood count (to check for anemia), thyroid lab tests (to check your thyroid), homocysteine (to check for B12 metabolism), and folate levels

I hope you found this post useful and continue to work towards vibrant health, minus the B12 deficiency
The warning side is just as specific

What is the Process of Treatment

When multiple vaccines are given together, the risk of adverse reactions to vaccinations may be increased, especially in smaller dogs