does injectable vitamin b12 need to be refrigerated SHOT. FRIDGE OR NOT TO FRID Do B12 Shots Expire or

It varies widely based on brand and product type.

Injections may offer different absorption characteristics than oral routes, though the clinical significance is still being studied

Before you and your provider can determine the frequency of your B12 injections, you need to know by how much youre deficient

Each 5 mg vial provides approximately 10 days of dosing at 500 mcg/day or 1617 days at 300 mcg/day

Vitamin B12 Deficiency Your body stores 1,000-2,000 times as much vitamin B12 as you'd eat in a day, so it can take many years to see symptoms of vitamin B12 deficiency

Mild side effects, such as feeling tired or nauseated, typically subside as the dose equilibrates