amazon injectable b12 Vitamin B-12 for Horses, Dogs and Cats — Jeffers 12 (Generic) Injectable Solution is a nutritional support for animals suffering from or at risk of vitamin B12 deficiency Nite Owl B-12 Injectable 3000mg
Description
[5] Contraindications & Precautions The primary contraindication for hydroxocobalamin injection is a known hypersensitivity to hydroxocobalamin, cobalt, or any component of the formulation

However, vegans or vegetarians somewhat lack this vitamin
A step-by-step guide on how to calculate your specific dose and avoid common peptide mistakes

Your body is designed to mobilize stored energy to make milk

The 23G x 1.25 you have should be fine to use

FORMULATION: Calcium Borogluconate Magnesium Chloride Vitamin B 12 INDICATIONS: For the treatment of diseases caused by calcium and magnesium deficiencies such as milk fever, paresis, poor growth rate, rachitis, hemorrhage and edema