Sweet Corn for Carotenoids

Overseen By Wendy J Dahl, PhD

Age: 18+

Sex: Any

Trial Phase: Academic

Sponsor: University of Florida

Must not be taking: Laxatives, Antidiarrheals, Antibiotics

Disqualifiers: Corn allergy, Intestinal disease, Vegetarian, others

No Placebo Group All trial participants will receive the active study treatment (no placebo)

Compensation: Varies

Number of Visits: Unknown

Duration: 4 weeks

40 Participants Needed

Trial Summary

What is the purpose of this trial?

This study will assess the effect of daily yellow and white sweet corn intake on serum lutein and zeaxanthin concentrations. Skin carotenoid levels using the Veggie Meter will be assessed, and gastrointestinal symptoms and changes in fecal microbiota during a 4-week intervention period will be monitored.

Eligibility Criteria

This trial is for adults over 18 who can consent in English and are willing to follow the study's procedures. They should have a Veggie Meter score of ≤ 250, indicating lower levels of skin carotenoids.

Inclusion Criteria

My Veggie Meter score is 250 or less.

I can read and sign the consent form in English.

I am willing to follow the study's procedures.

Timeline

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Treatment

Participants consume 1.5 cups of either yellow or white sweet corn daily to assess serum lutein and zeaxanthin concentrations, skin carotenoid levels, and gastrointestinal symptoms.

4 weeks

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

Treatment Details

Interventions

• White Sweet Corn
• Yellow Sweet Corn

Trial Overview The study compares the effects of daily consumption of yellow versus white sweet corn on serum lutein and zeaxanthin concentrations, skin carotenoid levels, gastrointestinal health, and fecal microbiota over four weeks.

Participant Groups

Group I: Yellow Sweet Corn Experimental Treatment 1 Intervention

1.5 cups of yellow sweet corn daily

Group II: White Sweet Corn Placebo Group 1 Intervention

1.5 cups of white sweet corn daily

Who Is Running the Clinical Trial?

University of Florida

Lead Sponsor

Trials

1,428

Recruited

987,000+