# NMN Plus Stem Cells Slowed Aging Signs in Mice, Together More Than Alone

*Enhancing the Anti-Aging Capacity of hUC-MSCs via NMN Co-Treatment in D-Galactose-Induced Mice and Cellular Senescence Models.*

- **Evidence Level**: Preliminary
- **Publication Types**: Journal Article
- **Journal**: Mechanisms of ageing and development
- **Sample Size**: D-galactose-induced aging mice (number not stated)
- **Authors**: Liu K, Cao Y, Gu Y, Wang Y, Jin L, Liu A, Wang J, Chen S
- **Published**: 2026-07-28
- **Topics**: NMN, stem cells, anti-aging
- **DOI**: https://doi.org/10.1016/j.mad.2026.112232
- **Original Source**: https://pubmed.ncbi.nlm.nih.gov/42520895/

## Summary

In aged mice, pairing stem cell therapy with NMN worked better than either one alone. The combo eased shrinking of immune organs and improved movement and memory. NMN seemed to protect the transplanted stem cells from stress. This is early animal work, not something tested in people.

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_Canonical: https://usa-longevity.com/en/research/nmn-plus-stem-cells-slowed-aging-signs-in-mice-together-more-than-alone · Part of Longevity Cities · Updated 2026-07-28_