im injection vitamin b12 Cyanocobalamin 1000 mcg — Mountainside Medical Vitamin B-12 Injection - Mobile
Description
In summary, B12 IV dosing needs a personalized approach

Benefits outlined on AgelessRx.com are based on 3rd party studies

But sick cats may not be able to absorb enough of the B12 thats in their food

However, scientific proof is minimal, and they are not approved by the FDA for weight loss purposes