topicBetaine Sleep Randomized Trial
claimInterventions that alter metabolite availability or metabolism, such as caloric restriction (CR) or reduced insulin/IGF‐1 signaling (IIS), extend lifespan across species (Gao et al. ).
evidence level3
citationJiang Yizhou (2026)
sourceLifespan‐Extending Endogenous Metabolites
topicBetaine Sleep Randomized Trial
claimThis review highlights the role of endogenous metabolites in regulating longevity pathways and evaluates evidence across species to aid understanding metabolic regulation of aging and guiding future investigations.
evidence level3
citationJiang Yizhou (2026)
sourceLifespan‐Extending Endogenous Metabolites
topicBetaine Sleep Randomized Trial
claimIn UVB‐irradiated hairless mice, oral taurine preserved epidermal moisture and significantly reduced wrinkle formation, suggesting an anti‐photoaging action via its osmolyte and moisturizing roles (Yoshimura et al. ).
evidence level3
citationJiang Yizhou (2026)
sourceLifespan‐Extending Endogenous Metabolites
topicBetaine Sleep Randomized Trial
claim2023 2018 2021 2025 2013 Aging is a multifactorial process driven by the interplay of genetic, environmental, and metabolic perturbations, with dysregulated nutrient sensing and metabolic dysfunction recognized as core hallmarks (Lopez‐Otin et al. ).
evidence level3
citationJiang Yizhou (2026)
sourceLifespan‐Extending Endogenous Metabolites
topicBetaine Sleep Randomized Trial
claim1 2 3 4 5 6 7 8 Considering the crucial role of sleep in human life, sleep disorders, including short sleep duration and poor sleep quality, could increasingly recognized as risk factors for physical [,], and mental dysfunctions [].
evidence level4
citationPoursalehi Donya (2026)
sourceAssociation between methyl donor nutrients intake with sleep duration, sleep quality and biomarkers of oxidative stress and inflammation among adults
topicBetaine Sleep Randomized Trial
claimAccording to recent evidence, about one third of adults in developing countries had sleep deficiency [].
evidence level4
citationPoursalehi Donya (2026)
sourceAssociation between methyl donor nutrients intake with sleep duration, sleep quality and biomarkers of oxidative stress and inflammation among adults
topicBetaine Sleep Randomized Trial
claimA significant relationship was found between age and sleep quality; such that the prevalence of poor sleep quality tended to increase with aging [].
evidence level4
citationPoursalehi Donya (2026)
sourceAssociation between methyl donor nutrients intake with sleep duration, sleep quality and biomarkers of oxidative stress and inflammation among adults