Geroprotective insights into the natural metabolite spermidine in aging and age-related diseases.
Level 5 - mechanism / opinion, no new human data
Narrative review summarizing mechanistic concepts and preclinical literature without systematic review methodology.
PubMed 42477363 · doi:10.1038/s41514-026-00448-9
What was done
This narrative review outlines recent research on the dietary polyamine spermidine, examining its role in mitigating oxidative stress, its decline during human aging, and its potential as a geroprotective compound for future clinical trials.
What was found
The abstract reports no quantitative data or specific numerical endpoints. It states that spermidine is a ubiquitous natural metabolite that decreases with age in humans, and highlights a proposed link between reduced endogenous concentrations and age-related organ degeneration.
Why it matters
It provides a conceptual overview of spermidine's geroprotective potential to support the rationale for translation into human clinical trials.
Limits
The paper is a non-systematic review that presents no new experimental data or quantitative synthesis. The abstract provides no specific details on clinical outcomes, effective human dosages, or safety profiles.
Cited by
- supports Spermidine is naturally present in the nuclei or nucleoids of all cellular organisms, including bacteria, yeast, plant, and animal cells.