what does glutathione s transferase do Glutathione-S-Transferases as Potential Targets for Modulation of Nitric Oxide-Mediated Vasodilation Glutathione S-Transferase - an overview
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Although, B12 could be part of it

It has been studied for its neuromodulatory effects in relation to anxiety , cognitive performance , and immune system support

Serigano, K
Understanding the Basics: What Are Peptides and Steroids
