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)