glutathione and the flu Immunity Power Couple: Vitamin C Synergy – Aurora Symptoms of Low Glutathione and
Description
And I can't remember all of them off the top of my head

These researchers employed various psychological and physiological examinations and conducted placebo-controlled experiments under double-blind conditions
Front Cell Dev Biol (2021) 9:705786

Immune support Helps maintain a well-regulated immune response under daily stress.

Although CDO possessed appreciable catalytic activity in the absence of the Cys-Tyr cofactor, cofactor formation increased CDO catalytic efficiency by ~10-fold (e.g., 3,200 M 1 s 1 for wild-type CDO versus 220 M 1 s 1 for Cys93Ser mutant CDO, which lacks the Cys residue needed for formation of the Cys-Tyr cofactor)
