Clinical Research Directory

Inclusion Criteria: * Able to provide informed consent * Willing to comply with all study procedures * Ages 40 - 70 years old * Habitual consumers of traditional non-diet soda (average intake 2 - 3 servings (24-36 fl. oz)/daily) * BMI between 25 - 35 kg/m² * Fasting plasma glucose between 100 - 125 mg/dL * Low habitual dietary fiber intake, assessed using a qualitative fiber intake screening questionnaire administered at pre-screening * Willing to maintain stable tobacco/nicotine use habits established for ≥ 90 days, with no initiation, cessation, or change in frequency during the study period * Willing to maintain stable marijuana, hemp, and CBD product use habits established for ≥ 60 days, with no initiation, cessation, or change in frequency during the study period * Willing to maintain habitual diet (with the exception of study products) and physical activity patterns throughout the trial Exclusion Criteria: * Inability to consume a standard 12 fl. oz. carbonated beverage twice daily * Currently engaged or planning to be on an intensive weight loss regimen program * Extreme dietary habits or has been diagnosed with an eating disorder * Habitual use of fiber supplements, inulin-based supplements, acacia fiber, glucomannan, prebiotic supplements, or probiotic supplements within the previous 30 days * Known allergy or sensitivity to any of the ingredients in the study products * History or presence of uncontrolled and/or clinically important medical conditions that could interfere with study results interpretation (ex. diabetes mellitus, CKD stage 4-5, severe liver disease/cirrhosis, uncontrolled hypertension, recent myocardial infarction or stroke (within 6 months), severe mental illness or cognitive impairment, immunodeficiency disorders, active infections). * Gastrointestinal conditions that could potentially interfere with absorption of the study product * Use of oral or injectable steroids in the previous 90 days * Use of antibiotic therapy in the previous 90 days * Unstable use of prescription medications within the previous 90 days that affect plasma glucose levels (e.g., corticosteroids, thiazide diuretics, beta-blockers (some types), antipsychotics, tacrolimus, protease inhibitors, ACE inhibitors) * Use of any of the following prescription medications within 90 days of enrollment: Metformin, sulfonylureas, GLP-1 agonists, SGLT-2 inhibitors, insulin. * History or presence of cancer, except non-melanoma skin cancer, in the previous 2 years * Exposure to any non-registered drug product or participation in another intervention study in the previous 30 days * Recent history (within 12 months) of alcohol or substance abuse * History of major trauma or surgical event in the previous 60 days * Person who is pregnant, planning pregnancy, or lactating * Any condition the Investigator believes would interfere with study participation or compliance * Consumption of more than 5 prebiotic sodas within the last 30 days prior to enrollment * Heavy smoker as defined as smoking 20 or more cigarettes per day, or smoked roughly 1 pack a day for 20+ years (more than 20 pack years)