animal b12 injection for humans Vitamin B-12 Use Brand May Vary - Valley Vet Supply | Safe.Pharmacy|Vitamins Vitamin B12 Injection: Energy Boost
Description
They may need to rely on supplements or vitamin B12 injections to maintain adequate levels, and the frequency of supplementation will affect how long the vitamin stays in the body

8-12 weeks

UK-based supplier
Because the intranasal forms have lower absorption than the IM dosage form, intranasal B12 forms are administered once weekly

Provided in a 5mg lyophilized vial for laboratory research Requires reconstitution with bacteriostatic water (Sold Here)
Treatment with intranasal cyanocobalamin should be delayed until symptoms resolve in patients with nasal congestion, allergic rhinitis, and upper respiratory infection
