Clinical Research Directory

Inclusion Criteria: 1. Male and female participants, aged between 60 and 85 years old inclusive 2. English-literate and able to give informed consent in English Exclusion Criteria: 1. Smokers 2. Allergy to grapes or food dyes/additives, or had serious food allergies in the past 3. Known eye diseases (macular degeneration, cataracts, retinopathy or glaucoma), blindness in at least one eye or have had eye surgery 4. Unable to view bright lights or flashing lights 5. Has Type 1 or 2 diabetes, uremia, cardiovascular disease, abnormal kidney and liver function 6. Taking eye medication and/or dietary supplements for the eyes for the past 3 month 7. Taking supplements containing carotenoids (e.g. Vitamin A, lutein, zeaxanthin) for past 3 months 8. Currently on a specialised diet (e.g. vegetarian, vegan, weight loss diet, low fat diet 9. Consumes more than 2 alcoholic drinks per day i.e. one drink is defined as either 150ml of wine,340ml of beer/cider or 45ml of distilled spirit 10. Significant change in weight (≥ 3 kg body weight) in the past 3 months 11. Significant exercise pattern over the past 3 months defined as high-intensity exercise of more than 3 hours per week 12. Currently on anti-hypertensive, cholesterol-lowering or psychoactive drugs 13. Scored ≤ 7 on the abbreviated mental test 14. Poor peripheral venous access based on past experiences with blood draw 15. Participating in another clinical study