msm and glutathione Methylsulfonylmethane (MSM) Intake in Mice Produces Elevated Liver Partially Protects Against Carbon Tetrachloride‐Induced Liver Injury - DiSilvestro - 2008 - The FASEB Journal Natural Factors Glutathione LipoMicel Matrix,

Compared to placebo, men who took the multiple vitamin-mineral supplement for 33 days had significantly improved ratings on one (vigor-activity score) of the six components of the Profile of Mood States (POMS) scale, significantly reduced subjective stress as measured by the Perceived Stress Scale, and significantly improved self-ratings of mental tiredness prior to and following a battery of cognitively demanding tasks (134)

Sci Rep 8 , 15655 (2018)

M., Gupta, A., Ramchandran, R., & Nauli, S

Effects fade when you stop, and chasing permanence with continued high-dose injections is where the safety risk climbs

PMID 18804703