Dietary interventions in skin ageing: a systematic review and meta-analysis.

Jun Yan Ng, Xuan Min Gail Yan Ng, Qi Yi Ambrose Wong, Fook Tim Chew

Department of Biological Sciences, Faculty of Science, National University of Singapore, 21 Lower Kent Ridge Rd, Singapore, 117543, Singapore. · pubmed

Paper

Abstract

Nutrition is a modifiable factor in skin ageing, but its effects remain inconsistently quantified. This meta-analysis assessed human studies from the Web of Science on dietary intake and skin ageing, using pooled standardised mean differences (pSMD). Interventions included carotenoids, collagen, lipids and fatty acids, polyphenols, prebiotics and probiotics, and vitamins. We included full-text English articles and excluded non-human, disease-focused, topical or in vitro studies. Publication bias was assessed using Egger's test and funnel plots. Results are shown as forest plots.

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Research summary

The paper claims that dietary interventions can influence skin ageing through various nutritional components. The focus on dietary factors as modifiable influences on skin ageing aligns with the broader context of longevity research, as it explores potential interventions that could mitigate aspects of aging.

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