NICE stands for the National Institute for Health and Care Excellence
The enzymes which have participated in these essential detoxification mechanisms comprise catalase, monodehydroascorbate reductase, superoxide dismutase, ascorbate peroxidase, glutathione reductase, dehydroascorbate reductase, guaiacol peroxidase [151]
PMID: 32768979 Environ Sci Pollut Res Int 2018 Feb;25(4):3765-3774
You may want to talk with a doctor about B12 shots if you regularly experience: Persistent fatigue and lethargy Muscle aches and joint pain Loss of appetite Nausea, constipation, diarrhea, or cramping Poor memory or difficulty concentrating Mood swings Can B12 Injections Help With Mood Enhancement and Mental Clarity
Psychostimulant pharmacological profile of paraxanthine, the main metabolite of caffeine in humans