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Lipner, MD, PhD Abstract: Exogenous ochronosis is a potential side effect associated with hydroquinone, and treatment is often unsatisfactory

[It] has better absorption and is more likely to survive the enzymes in the gut that break it down and prevent absorption, said Lee

Behavioral and neurochemical consequences of cortical oxidative stress on parvalbumin-interneuron maturation in rodent models of schizophrenia

Gerontologist 56: S230-S242

In these cases, evidence suggests that a higher intake may be necessary to see visible changes

Research also suggests it can improve the quality of sleep for some people, particularly those with insomnia