It catalyzes the conversion of superoxide, a reactive oxygen species, into the comparatively less toxic hydrogen peroxide (H2O2) (Tiedge et al., 1998)
Autophagy and Lipid Droplets in the Liver
labs, with every lot tested for 99% purity and endotoxin-free status
In other words, these substances are potentially dangerous, possibly experimental, but tempting to athletes seeking an extra edge

Thnh phn Water, Caprylic/Capric Triglyceride, Dipropylene Glycol, Glyceryl Stearate, Butylene Glycol, Squalane, Cetearyl Alcohol, 1,2-Hexanediol, Niacinamide, Simmondsia Chinensis (Jojoba) Seed Oil, Cetyl Ethylhexanoate, PEG-100 Stearate, Cetearyl Olivate, Sorbitan Olivate, Betaine, Macadamia Ternifolia Seed Oil, Glutathione, Sodium Hyaluronate, Ethylhexylglycerin, Kojyl Carboxy Dipeptide-23, Oryza Sativa (Rice) Bran Extract, Milk Protein Extract, Punica Granatum Fruit Extract, Cornus Officinalis Fruit Extract, Centella Asiatica Extract, Rosa Damascena Flower Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Hippophae Rhamnoides Fruit Extract, Rosa Canina Fruit Extract, Zanthoxylum Piperitum Fruit Extract, Usnea Barbata (Lichen) Extract, Pulsatilla Koreana Extract, Arginine, Dipotassium Glycyrrhizate, Panthenol, Allantoin, Tocopheryl Acetate, Disodium EDTA, Adenosine, Caprylyl Glycol, Dimethicone, Carbomer, Fragrance