congenital lingual melanotic macule Discrete brown black macules on

It is the most abundant intracellular antioxidant and exists in both reduced (GSH) and oxidized (GSSG) forms

MIC B12 injections are generally considered safe when administered under the supervision of a qualified healthcare provider

*Correspondence: Pei Pei Chong, [email protected] This article was submitted to Microbial Symbioses, a section of the journal Frontiers in Microbiology Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers

Warnings Not recommended for children, pregnant or nursing women and persons sensitive to caffeine