# Nicotinamide Mononucleotide Loading Enhances Healing Efficacy of Hyaluronic Acid Sheets

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NMN & NR Supplementation · 2026-03-10


    This study investigates the effects of nicotinamide mononucleotide (NMN) loading in hyaluronic acid (HA) sheets on healing oral mucositis. Oral mucositis is a painful condition that often arises during cancer treatments, significantly affecting patients' quality of life. The findings suggest that optimizing HA formulations can enhance therapeutic outcomes, potentially extending healthspan for affected individuals.

 What this study examined

The research focused on the development of freeze-dried HA sheets for treating oral mucositis, particularly in patients undergoing radiotherapy or chemotherapy for head and neck cancer. The study evaluated the effects of different molecular weights of HA (50, 350, 800, and 2000 kDa) and the incorporation of NMN on the healing efficacy of these sheets. An animal model using 6-week-old male Syrian hamsters was employed to assess the therapeutic effects, with the primary outcome being the healing efficacy of the HA sheets.

 Why this matters for longevity research

This study is significant in the context of longevity research as it explores the role of NMN, a precursor to NAD+, in enhancing tissue repair mechanisms. NAD+ is crucial for cellular metabolism and energy production, and its levels decline with age. By investigating NMN's potential to improve healing in oral mucositis, this research contributes to the broader understanding of how enhancing NAD+ levels may support healthspan and longevity, particularly in cancer patients.

 Key findings

The study evaluated HA sheets with four different molecular weights (50, 350, 800, and 2000 kDa).

The 800 kDa HA sheet demonstrated the highest healing efficacy among the formulations tested.

These sheets showed an optimal balance between buccal retention and sustained NMN release.

In vitro cytotoxicity assays confirmed that HA, with or without NMN, was non-toxic.

The findings suggest that HA sheets may be a promising biocompatible material for local treatment.

The research highlights the potential of NMN in enhancing the therapeutic effects of HA sheets.

This study lays the groundwork for future applications of NMN in tissue repair and regeneration.

 The science behind it

Nicotinamide mononucleotide (NMN) plays a pivotal role in the synthesis of nicotinamide adenine dinucleotide (NAD+), a coenzyme essential for various biological processes, including energy metabolism and DNA repair. As organisms age, NAD+ levels decline, which is associated with various age-related diseases. Enhancing NAD+ levels through NMN supplementation has been linked to improved cellular function and longevity. The incorporation of NMN into HA sheets may not only facilitate localized delivery but also promote healing processes through its role in cellular metabolism and repair mechanisms.

 How it fits into the longevity field

This research aligns with ongoing investigations into the role of NAD+ and its precursors in aging and healthspan extension. Other interventions, such as sirtuin activation and caloric restriction, have been shown to influence NAD+ levels and promote longevity. The findings from this study could complement existing knowledge by providing a novel approach to enhance tissue healing through NMN, thereby contributing to the overall understanding of healthspan interventions.

 Practical takeaways

Researchers and informed readers should consider the implications of NMN loading in HA sheets for future therapeutic applications, particularly in oncology. This study emphasizes the importance of molecular weight in HA formulations and suggests that NMN may enhance healing efficacy. Further research is warranted to explore the broader applications of NMN in regenerative medicine and its potential role in extending healthspan.

 FAQ

 What is oral mucositis?

Oral mucositis is a painful inflammation and ulceration of the mucous membranes in the mouth, often caused by chemotherapy or radiotherapy.

 How does NMN contribute to healing?

Nicotinamide mononucleotide (NMN) is a precursor to NAD+, which is essential for energy metabolism and cellular repair processes.

 What are the implications of this study for cancer patients?

The study suggests that HA sheets loaded with NMN may improve healing outcomes for cancer patients suffering from oral mucositis, potentially enhancing their quality of life.

 Source: PubMed · J Funct Biomater · published 2026-03-10.

## Sources

- PubMed · J Funct Biomater: https://pubmed.ncbi.nlm.nih.gov/41893192/