b12 injections cause weight gain Does Gain? Does It Increase Appetite? B12 shots for weight loss:
Description
For gain-of-function studies, M0 macrophages were seeded in a Seahorse XF96 cell culture microplate (50,000 cells per well), transfected with either an empty vector or an HSL-encoding plasmid, and cultured for 24 h

Yes, it is
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doi: 10.1111/j.1398-9995.2007.01380.x
Reduces Premature Greying: When you include vitamin B12 in your daily diet, it helps prevent premature greying and maintains your hairs natural colour
