VitMode

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Supplement comparison tool

Pick up to 4 knowledge base entries and compare their dosage, price, evidence strength and ratings side by side — you can save or share a link to your selection.

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CategorySen i regeneracjaSen i regeneracja
Evidence strengthStrong evidenceStrong evidence
Evidence Score5/55/5
User rating4.8 (82)4.8 (156)
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Time to effectsDisruptions to the GH pulse and cortisol rhythm appear after just a few nights of shortened or fragmented sleep; improvement after restoring regular, sufficient sleep is usually visible within several days to about two weeks.Subjective improvement in alertness and mood is felt after a single night of good sleep; correlations with lower risk of chronic disease and death observed in cohort studies concern years of consistent sleep patterns.
Who it's forPeople doing strength or endurance training, for whom GH-dependent tissue recovery has practical relevancePractically everyone — sleep affects metabolic, cardiovascular, immune, and cognitive health simultaneously