Trehalose is a naturally-occuring di-saccharide (two sugars) that can be broken down in the normal small intestine.  It is used for dry eye and mucosal injuries. The Product Helios, for sore mouths, has trehalose, glutamine and arginine.

References

Trehalose – Wikipedia

Trehalose induces autophagy via lysosomal-mediated TFEB activation in models of motoneuron degeneration.2020

Lysosomes Dysfunction Causes Mitophagy Impairment in PBMCs of Sporadic ALS Patients.2021.pdf

Disaccharide trehalose in experimental therapies for neurodegenerative disorders_ Molecular targets and translational potential – PubMed.pdf.2022.a.pdf

Trehalose Inhibits Human Immunodeficiency Virus Type 1 Infection in Primary Human Macrophages and CD4 + T Lymphocytes through Two Distinct Mechanisms – PubMed

Amazon.com_ HEALIOS UNFLAVORED Oral Health and Dietary Supplement, Powder Form, Naturally Sourced L-Glutamine Trehalose L-Arginine, 11.78 Ounces_ Health & Personal Care.r

Trehalose–an intriguing disaccharide with potential for medical application in ophthalmology.2011