b12 1 ml injection Vitamin B-12 Injection, 5,000 mcg/mL, 100 It is used to prevent and to treat vitamin B12 deficiency Out of Stock - VITAMIN
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Product Specifications Storage & Stability Store lyophilized at -20C

Hope this clarifies I just found this thread because I was reading the vial of my cyanocobalam (B-12) shot

Subcell Biochem

The injections are only available on prescription and are usually administered by your provider, directly into the muscle

The Power of Proper B12 Administration Knowing how to give a vitamin B12 shot empowers patients and caregivers to take proactive control of their health

There is no human trial of this exact combination, so the evidence here is built from studies on the individual components, most of it preclinical
