topicGreen Tea Extract Skin Aging Randomized Trial
claimPolyphenols strengthen the intestinal barrier and reduce endotoxemia; cocoa bean shell extracts protected against oxysterol‐induced intestinal damage and improved gut microbiota composition in preclinical models (Alia et al. ).
evidence level3
citationAkif Adnan (2026)
sourceDietary Polyphenols in Non‐Communicable Chronic Diseases: Neuro–Enteric Mechanisms, Multi‐Omics Biomarkers and Translational Opportunities
topicGreen Tea Extract Skin Aging Randomized Trial
claimWhile many epidemiological studies correlate polyphenol‐rich diets (e.g., Mediterranean diet) with reduced NCCD risk, causality is uncertain due to confounding and measurement error.
evidence level3
citationAkif Adnan (2026)
sourceDietary Polyphenols in Non‐Communicable Chronic Diseases: Neuro–Enteric Mechanisms, Multi‐Omics Biomarkers and Translational Opportunities
topicGreen Tea Extract Skin Aging Randomized Trial
claimControlled trials provide more robust evidence but vary widely in doses, formulations, populations and endpoints.
evidence level3
citationAkif Adnan (2026)
sourceDietary Polyphenols in Non‐Communicable Chronic Diseases: Neuro–Enteric Mechanisms, Multi‐Omics Biomarkers and Translational Opportunities
topicGreen Tea Extract Skin Aging Randomized Trial
claimAMP BBB CNS COMT COSMOS CRP (hs‐CRP) CSF EGCG ENB‐2 (ENB) ENS EVOO FMD GAD‐7 (GAD) GM‐CSF (GM) HDL HOMA‐IR (HOMA) IBS IL IR LDL LPS MCI MMSE NADPH NCCD (NCCDs) PHGG PHQ‐9 (PHQ) PSQI PWV RBANS RCT SCFA SD TNF (TNF‐α) 2024 Non‐communicable chronic diseases account for the majority of morbidity and mortality worldwide.
evidence level3
citationAkif Adnan (2026)
sourceDietary Polyphenols in Non‐Communicable Chronic Diseases: Neuro–Enteric Mechanisms, Multi‐Omics Biomarkers and Translational Opportunities
topicGreen Tea Extract Skin Aging Randomized Trial
claimConclusion This review gave an overview of green tea extract as an anti-aging in vivo and in vitro studies.
evidence level3
citationFebrinasari RP (2025)
sourceGreen tea as a cosmetic agent for skin aging: A scoping review.
topicGreen Tea Extract Skin Aging Randomized Trial
claimAlso, skin care products often contain antioxidant compounds that help protect the skin from free radicals that cause premature aging.
evidence level3
citationFebrinasari RP (2025)
sourceGreen tea as a cosmetic agent for skin aging: A scoping review.
topicGreen Tea Extract Skin Aging Randomized Trial
claimIn this study, we investigated the antioxidant and anti-aging effects of whole green tea ( Camellia sinensis) and its polyphenols, especially EGCG (Epigallocatechin-3-gallate) on human skin.
evidence level3
citationFebrinasari RP (2025)
sourceGreen tea as a cosmetic agent for skin aging: A scoping review.