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AMany patients notice improvement in energy levels within a few days, while improvement in nerve symptoms may take several weeks to months, depending on the severity of nerve damage

Some of the most common causes include: Mental fatigue Anemia (iron deficiency) Chronic conditions, like heart disease , thyroid disease, sleep disorders, diabetes, or arthritis Medications, such as sedatives High use of alcohol or drugs Autoimmune conditions Malnutrition Chronic fatigue syndrome No matter the cause, fatigue impacts daily life

Some of those events required hospitalization

"We see [astaxanthin] helps filter out harmful blue light, which in turn, may reduce eye fatigue from extended screen time," says Gasic