A brilliant blue salt which has far reaching benefits for mitochondrial health and support. Methylene Blue & Improving Mitochondrial Function https://hdrx.com/compounding-pharmacy/methylene-blue-improving-mitochondrial-function Methylene Blue has a potent antiviral activity against SARS-CoV-2 and H1N1 influenza virus in the absence of UV-activation in vitro – PMC. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8275569/#:~:text=Methylene%20Blue%20has%20a%20potent,UV%2Dactivation%20in%20vitro%20%2D%20PMC