Effect of Flavored, Carbonated Drinks on Salivary Flow, Salivary Composition, and Taste Perceptions

Inclusion Criteria: * Subject is male or female * If female, subject is not pregnant or nursing (based on self-report) * Subject is 18-45 years of age, inclusive * Subject is a regular consumer of carbonated drinks (questionnaire) * Subject is willing to avoid alcohol consumption 24 hours prior to visits * Subject is willing to fast (no food or gum) for 2 hours prior to study sessions * Able to speak, write, and read English * Provision of written consent to participate Exclusion Criteria: * Subject smokes, vapes, or uses any nicotine/tobacco products (or has quit for less than 6 months) * Subject currently has or recently had an illness (cold, flu, COVID) within the past month * Subject has a condition affecting the oral cavity such as Xerostomia (dry mouth), Sores/lesions, Untreated dental caries, Major dental implants/appliances (including dentures) * Subject has a reduced sense of taste (dysgeusia) or smell (parosmia) * Subject has a health condition that would interfere with the study as indicated on the general health questionnaire (GHQ) (including cardiovascular, renal, or metabolic diseases) * Subject has participated in a clinical trial within the past 30 days * Subject has participated in any PepsiCo trial within past 6 months * Subject has a condition or is taking medication that the investigator believes would interfere with his/her ability to provide informed consent, comply with the study protocol, which might confound the interpretation of the study results,…