under water bac I have lived underwater' UVENA: The Underwater Cladding for
Description
Now, it is a concern whether vitamin B12 injections are safe for health

Lhermitte's Phenomenon as the Presenting Symptom of Vitamin B12 Deficiency With Complete Reversibility of Neurological and Radiological Abnormalities

This roughly mirrors the trial schedule used in the Phase 2 and Phase 3 studies
No lethal dose was identified across a wide dose range from 0.006 mg/kg to 20 mg/kg body weight