veterinary vitamin b12 injection B-12 1000mcg - for Pets Rx only Sold in 100 mL Vitamin B Complex Liver Extract
Description
Vitamin B12 should be a consistent supplement taken on a regular basis, as your body is not able to store Vitamin B12 like other vitamins for long periods of time

This does not mean taking vitamin B12 supplementation without a diagnosis of vitamin b12 deficiency

B12 supplements are readily available in oral tablets, oral solutions, mouth sprays, and under-the-tongue tablets, and they range in dosage amounts from 5 mcg to 5,000 mcg depending on the type of supplement
If the deficiency is severe, remarkably, it can lead to permanent nerve damage

The most common side effect that I see are positive side effects

Different kinds of cobalamin are more or less interchangeable, and the body can either use them as-is or easily convert them to the form it needs
