US$ 22.92
b12 injections im Vitamin B-12 Injection - Mobile and Clinic IV Therapy — ASAP IVs Vitamin B12 & B Complex
Description
Intramuscular vs Subcutaneous B12 Injections Intramuscular or Subcutaneous B12 Injection

You might try mixing the Vitamin B12 with a small amount of wet food and see if he will eat it

But it carries a quiet assumption worth surfacing before we dive in: that there is a settled, well-validated mechanism to describe

Available at: Mayo Clinic

One reason: Changes in stomach acid can be part of aging, and you need hydrochloric acid in your stomach to absorb B12
