The Study
Effects and safety of resveratrol supplementation in older adults: A comprehensive systematic review
This study looked at 10 smaller experiments where people took resveratrol pills and saw what happened. It doesn't prove resveratrol fixes everything, but it shows it might help a little with things like walking better or thinking clearer in some older people. It's like saying 'maybe this helps,' not 'this definitely works.'
Analysis score
Maximum 100 for a systematic review with meta-analysis.
Where the score came from
This study looked at 10 experiments where older people took resveratrol pills to see if it helped their brain and body.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 547 / 100
Quality score
The highest quality evidence. Systematic reviews and meta-analyses that pool randomized controlled trials, giving the most reliable summary of experimental evidence.
Key takeaways
Summary
Based on the study abstract and findings.
- 1The improvements in movement and memory are modest but meaningful for daily life in frail older adults; no benefit for heart-related conditions; high doses may be risky.
- 2Resveratrol helped older people walk faster and stand up quicker when combined with exercise; improved memory in those with Alzheimer’s or who were overweight; did nothing for diabetics or people with poor leg circulation; and high doses (500mg+) raised bad cholesterol markers.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Phytotherapy Research
Year
2024
Authors
Sepideh Yadegar, Fatemeh Mohammadi, A. Yadegar, Ali Mohammadi Naeini, Aryan Ayati, Nesa Milan, Amirhossein Tayebi, Seyed Arsalan Seyedi, S. Nabipoorashrafi, S. Rabizadeh, A. Esteghamati, M. Nakhjavani
Related Content
Claims (6)
People who eat diets high in polyphenols have better cognitive function and a lower incidence of cognitive decline with aging.
In older adults with difficulty moving, taking resveratrol supplements along with supervised exercise for 12 to 24 weeks results in better gait speed and faster chair stand times than exercise alone.
In older adults with Alzheimer’s disease, taking resveratrol supplements is linked to small improvements in memory and thinking tests and changes in biological markers related to brain protection.
In overweight older adults, taking resveratrol supplements for 8 to 24 weeks leads to improved cognitive test scores but does not consistently change metabolic markers such as insulin sensitivity or fat metabolism.
Taking resveratrol supplements for 8 to 24 weeks does not improve metabolic health, blood vessel function, or physical performance in older adults with type 2 diabetes or peripheral artery disease compared to taking a placebo.
Taking 500 mg or more of resveratrol daily in older adults is linked to higher levels of LDL cholesterol and inflammatory markers, which are indicators of increased cardiovascular disease risk.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.