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In studies lasting 68 weeks, participants taking 412mg daily sometimes showed improved endurance, higher time-to-exhaustion scores, or smaller increases in creatine kinase an enzyme that rises with muscle damage.32 Not all trials find performance benefits, but those that do often include participants with lower baseline antioxidant intake or higher training loads.33 For now, researchers interpret the findings as preliminary evidence that astaxanthin may support recovery in situations where oxidative stress is high.38 Sleep and fatigue Researchers have begun exploring how carotenoid intake might relate to sleep quality

Diagnostic reliability of a single IGF-I measurement in 237 adults with total anterior hypopituitarism and severe GH deficiency

Age restrictions : These supplements are not recommended for people under 18 years of age unless specifically advised by a healthcare professional