where b12 injections are given Vitamin Injection Sites: All You Need to Know Vitamin B12 Injection Dosage |
Description
Starting doses on the lower end (300mcg) and progressing slowly makes sense

The safety data were excellent
Storage: Store in a cool, dry place

Use bacteriostatic (not plain sterile) water for a multi-dose vial so the preservative supports the multi-draw window, and reconstitute gently down the vial wall rather than blasting the powder

As we age, our stomachs produce less acid, which makes it harder to absorb B12 from food