glutathione glutamate toxicity Frontiers Glutathione and glutamate in schizophrenia:

Individual results vary, and DSIP is not appropriate for everyone: People with chronic insomnia that has not responded adequately to behavioral or conventional pharmacological interventions Shift workers or frequent travelers are dealing with circadian rhythm disruption Individuals experiencing stress-related sleep disturbances and elevated cortisol patterns Athletes and active individuals seeking to optimize recovery through improved sleep quality Older adults experiencing age-related changes in sleep architecture and hormone secretion People who have experienced side effects from traditional sleep medications and are seeking non-sedating alternatives Individuals managing chronic pain conditions that interfere with restorative sleep Struggling with sleep and recovery

Akbari M, Ostadmohammadi V, Lankarani KB, Tabrizi R, Kolahdooz F, Heydari ST, et al

Brightens skin and reduces the appearance of pigmentation

This means a product could be used for general health (like a multivitamin) or to treat a specific medical condition (like iron for anemia)