Yellow Potatoes and Carotenoids

Effects of Yellow Flesh Potatoes on Carotenoid Status

This study will assess the effects of daily intake of yellow and white potatoes on plasma lutein and zeaxanthin concentrations. Skin carotenoid levels will be assessed using the Veggie Meter.

Inclusion Criteria:

• Adults ≥ 18 years of age
• Able to provide written consent in English
• Baseline Veggie Meter score of ≤ 300
• Willing to adhere to study procedures

Exclusion Criteria:

• Baseline Veggie Meter score of >300
• Potato allergy
• Previously or currently being treated for intestinal disease, including irritable bowel syndrome, Crohn's disease, ulcerative colitis, celiac disease, or gastrointestinal cancer
• Previous gastrointestinal surgery (e.g., gastric bypass, fundoplication, bowel resection)
• Current cancer treatment
• Current pregnancy; Vegetarian diet
• Elite athletes or long-distance runners