A Clinical Trial to Evaluate the Effects of Larineco Remineralizing Gum on Oral Health, Breath Freshness, Tooth Sensitivity, and Gum Comfort

This is a single-group, open-label, decentralized (virtual) clinical trial evaluating the effects of Larineco Remineralizing Gum on self-reported oral health outcomes in 40 generally healthy adults aged 18-57 years who experience bad breath, sensitive teeth, or gum discomfort. Participants will use the product once daily for 30 consecutive days and complete questionnaires at Baseline, Day 10, Day 20, and Day 30.

Study Overview

• Status: Active, not recruiting
• Conditions: Tooth Sensitivity; Bad Breath
• Intervention / Treatment: Dietary supplement: Larineco Remineralizing Gum

• Study Type: Interventional
• Enrollment (Estimated): 40
• Phase: Not Applicable

Contacts and Locations

Study Locations

• United States
  • Nevada
    • Las Vegas, Nevada, United States, 89118
      • Citruslabs

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: Adult; Older Adult
• Accepts Healthy Volunteers: Yes

Description

Inclusion Criteria:

• Be male or female
• Be adults aged 18-57 years
• Self-reports experiencing at least one of the following oral concerns: bad breath, tooth sensitivity, or gum discomfort Generally healthy
• Able to safely chew gum-style products
• Willing to use the study product as directed, using one piece of gum per day, after the second meal of the day, and chewing thoroughly for 15 minutes before discarding, for the trial duration
• Willing to maintain current oral hygiene habits (e.g., brushing frequency, flossing routine, toothpaste product) Resides in the United States Anyone who is willing to maintain their current diet, sleep pattern, and activity levels for the duration of the trial Has reliable access to an internet-enabled device to complete remote study assessments
• Anyone willing to follow the study protocol
• Willing to store the study product as directed and keep it away from children and pets

Exclusion Criteria:

• Anyone with pre-existing chronic conditions that would prevent participants from adhering to the protocol, including oncological and mental health disorders
• Known allergy or hypersensitivity to any ingredient in the study product
• Any women who are pregnant, breastfeeding, or trying to conceive (or who will be at any point during the study period)
• Severe or unmanaged dental or oral conditions (e.g., active oral infection, extensive untreated cavities, severe periodontitis, oral ulcers, or recent oral surgery within the past 30 days)
• Loose or temporary dental work (e.g., temporary crowns, loose veneers, recently placed braces) that may be affected by chewing gummies
• Diagnosed temporomandibular joint (TMJ) disorder or significant jaw pain that would make chewing uncomfortable
• Known dry mouth/xerostomia or significant mouth sensitivity that may interfere with product tolerance or assessment
• History of significant gastrointestinal sensitivity or digestive conditions that may be worsened by sugar alcohols, sweeteners, or functional ingredients
• Recent dental procedure (within the past 14 days) or planned dental work during the study period that may interfere with assessments
• Currently wearing fixed orthodontic appliances (e.g., traditional braces) that would significantly affect product use or assessments
• Currently partaking in another research study or will be partaking in any other research study for the next 30 days, and at any point during this study's duration
• Anyone who is undergoing treatment for cancer, or has had a serious illness requiring hospitalization in the last three months

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: N/A
• Interventional Model: Single Group Assignment
• Masking: None (Open Label)

Number of Arms

1

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Larineco Remineralizing Gum	Dietary supplement: Larineco Remineralizing Gum; All enrolled participants receive Larineco Remineralizing Gum, a commercially available chewing gum product. Participants chew one piece of gum per day, after the second meal of the day, slowly and thoroughly for 15 minutes before discarding, for 30 consecutive days.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Oral Health	Change in self-reported oral health using questionnaires assessing breath freshness, tooth sensitivity, and gum comfort	Baseline, day 10, day 20, day 30

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Tooth surface smoothness	Change in self-reported tooth surface smoothness via self-report questionnaire on the Citruslabs study platform.	Baseline, day 10, day 20, day 30
Mouth cleanliness	Change in self reported mouth cleanliness via self-report questionnaire on the Citruslabs study platform.	Baseline, Day 10, Day 20, and Day 30

Collaborators and Investigators

• Sponsor: Larine C Corporation
• Collaborators: Citruslabs

Study record dates

Study Major Dates

• Study Start (Actual): July 2, 2026
• Primary Completion (Estimated): August 1, 2026
• Study Completion (Estimated): August 1, 2026

Study Registration Dates

• First Submitted: July 2, 2026
• First Submitted That Met QC Criteria: July 2, 2026
• First Posted (Actual): July 9, 2026

Study Record Updates

• Last Update Posted (Actual): July 9, 2026
• Last Update Submitted That Met QC Criteria: July 2, 2026
• Last Verified: July 1, 2026

More Information

Terms related to this study

• Keywords: Gum Discomfort
• Additional Relevant MeSH Terms: Stomatognathic Diseases; Signs and Symptoms, Digestive; Tooth Diseases; Pathological Conditions, Signs and Symptoms; Signs and Symptoms; Dentin Sensitivity; Halitosis
• Other Study ID Numbers: LARIN-67330

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: UNDECIDED

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No