Participants will be asked to consume 180 mg/day of sucralose (in the form of capsules which is equivalent to three 12-oz cans of diet soda) for 14 days. According to the FDA, a 150 lb. person may consume up to 340 mg/day of sucralose (or 5.5 12-oz cans of sucralose-sweetened diet soda).

Participants will be asked to consume 180 mg/day of stevia (in the form of capsules which is equivalent to three 12-oz cans of diet soda) for 14 days. According to the FDA, a 150 lb. person may consume up to 800 mg/day of stevia (or about 12 cans of stevia-sweetened diet soda).

Sweetner

An oral glucose tolerance test will be administered before and after consuming assigned sweetener to determine change in 2-hour glucose

Gut microbiota will be measured before and after consuming assigned sweetener to determine change in gut microbiota.