Clinical trials: Lutein
Dry Eye Disease, Immunity
Efficacy of Twinkle Eyez Supplementation in Improving Ocular Health and Immunity
This is a randomised, double-blind, placebo-controlled study that recruited 110 participants. The objectives of this study are to determine the dietary intake levels of lutein and zeaxanthin among precipitants.
- Trial name
- NCT06574685
- Testing
- Twinkle Eyez Supplementation
- Where
- Malaysia
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Ecolite Group
Cognitive Change, Achievement
Enhancing Children's Cognitive Function and Achievement Through Carotenoid Consumption
The aim of this study is to test the casual relationship between carotenoid supplementation, cognitive function, and achievement over a school-year.
- Conditions
- Cognitive Change, Achievement, Macular Pigmentation
- Trial name
- NCT05177679
- Testing
- Active supplement
- Where
- United States
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign
Vasomotor Symptoms
Goji Berry and Vasomotor Symptoms Pilot Study
The goal of this clinical trial is to compare two forms of goji berry powder-whole goji berry powder and goji juice powder-in peri- and postmenopausal women aged 40-65 years who experience frequent vasomotor symptoms (hot…
- Trial name
- GOJI-VMS (NCT07660315)
- Testing
- Goji Berry Juice Powder, Goji Berry Powder
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Lutein and Zeaxanthin Dietary Intake, Age Related Macular Degeneration
Online Validation of Dietary Intake Food Frequency Questionnaire Over Four Weeks, and Electronic Device Use Questionnaire Over Eight Weeks.
Tools to investigate dietary lutein and zeaxanthin (L/Z) intake and electronic device (ED) use are important to progress research that investigates the role of ED blue light (BL) exposure, and dietary L/Z intake on macular…
- Conditions
- Lutein and Zeaxanthin Dietary Intake, Age Related Macular Degeneration, Blue Light Exposure, Electronic Device Use
- Trial name
- NCT04779411
- Testing
- Weekly Food Frequency Questionnaire, Monthly Food Frequency Questionnaire, 24-Hour Diet Recall
- Where
- Australia
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- The University of Queensland
Healthy, Nutrition Poor
Effects of Lutein on Visual Function
Randomized, double blind, placebo-controlled intervention trial on the ocular benefits and inflammatory markers improvements of taking FloraGLO Lutein for 9 months.
- Trial name
- NCT03113864
- Testing
- Lutein
- Where
- United Kingdom
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Kemin Foods LC
Aging, Wrinkle
Evaluation of the Benefits of FloraGLO™ Lutein on Skin Health
Therefore, the present study is designed to contribute to the body of literature by investigating the effect of 12-weeks of lutein supplementation on multiple parameters of skin health and appearance in healthy women.
- Conditions
- Aging, Wrinkle, Skin Elasticity, Healthy
- Trial name
- NCT03769779
- Testing
- FloraGLO Lutein, Safflower Oil
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Kemin Foods LC
Macular Pigment
Lutein Bioavailability From Fresh and Dried Beverages
Macular pigment is composed primarily of the xanthophylls lutein and zeaxanthin, which are members of the carotenoid family. Epidemiological evidence indicates that a higher intake of lutein and zeaxanthin is associated with a…
- Trial name
- METC-11/07 (NCT01400763)
- Testing
- Fresh lutein-enriched egg-yolk beverage, Dried-1 lutein-enriched egg-yolk beverage, Dried-2 lutein-enriched egg-yolk beverage
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Wageningen University
Age Related Macular Degeneration
FLIO and the Influence of Oral Lutein Supplementation on Macular Pigment
To investigate the effects of lutein supplementation on macular pigment density using FLIO and MPOD measurements in patients with age-related macular degeneration and healthy subjects over a course of 6 months.
- Trial name
- FLOS (NCT04761341)
- Testing
- NUTROF TOTAL
- Where
- Switzerland
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Healthy Lactating Mother
Study to Learn About the Effect of Elevit (a Food Supplement Containing Several Vitamins, Minerals, Lutein and DHA) on the Nutrient Content in the Breast Milk and Blood of Women During Breastfeeding Period and on Babies' Physical Growth Parameters
The aim of the study is to learn about the effect of multi-micronutrient, lutein and DHA supplementation (Elevit Breastfeeding \& Postnatal Care) on the breast milk nutrient composition and babies physical growth parameters.
- Trial name
- NCT04462939
- Testing
- Elevit Breastfeeding & Postnatal Care
- Where
- 3 sites in Germany
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Bayer
Risk Factors for Age Related Macular Degeneration
Effects of Sea Buckthorn Oil and Lutein on Eye Health
Low macular pigment optical density has been associated with increased risk of age-related macular degeneration, an important cause of vision problems in the elderly population.
- Trial name
- SBEYE (NCT02379169)
- Testing
- Sea buckthorn oil & lutein
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Turku University Hospital
Age-related Macular Degeneration
Effects of Lutein and Zeaxanthin Supplementation on Age-related Macular Degeneration
Lutein is one of oxygenated carotenoids. Over the past few years, there has been increased interest in evaluating the effect of lutein for optimizing eye health.
- Trial name
- NCT01048476
- Testing
- lutein, Lutein and zeaxanthin
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Peking University
Menopausal Syndrome, Cognitive Decline
Algal Lutein Against Decline of Intellectual Nimbleness
Lutein is a xanthophyll pigment found in photosynthesizing organisms. Its beneficial effects on health, including brain function and visual performance, have been recognized for many years.
- Conditions
- Menopausal Syndrome, Cognitive Decline, Obesity & Overweight, Menopause
- Trial name
- ALADIN (NCT07600567)
- Testing
- Lutein
- Where
- Poland
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Poznan University of Life Sciences
Macular Degeneration
Lutein/Zeaxanthin and Omega-3 Supplementation in Persons Over Age 60
This study will explore whether taking the vitamins lutein and zeaxanthin, with or without Omega-3 fatty acid (fish oil or docosahexanoic acid, also known as DHA) will change the amount of lutein and zeaxanthin in the blood among…
- Trial name
- NCT00121589
- Testing
- Lutein
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Macular Degenerative Disease
Effect of Lutein, Zeaxanthin, and Meso-Zeaxanthin Supplementation on Skin Carotenoid Concentration: A Six-Month, Placebo-Controlled Crossover Study
To compare skin carotenoid scores over 12 weeks of individuals randomized to placebo or MacuHealth and comparing that to a 12 week crossover evaluation.
- Trial name
- NCT06965426
- Testing
- Lutein, Zeaxanthin, and Meso-Zeaxanthin Supplementation
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Insight Eyecare Specialties, Inc. dba Vision Source Eyecare,
Healthy
Investigating the Effects of Nutrition on the Maturation of Brain Networks Associated With Memory in Infants
This project will investigate whether adding nutritional supplements to the diet will have beneficial effects on the development of infant brain networks (assessed at 4 and 9 months of age).
- Trial name
- NCT02457078
- Testing
- Postnatal Dietary Supplement, Control Supplement
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign
Osteogenesis
Clinical and Radiographic Assessment of PRF Versus Lutein Placement
Thirty patients seeking for prosthetic replacement of non-restorable single rooted maxillary teeth by dental implant placement will be selected from the Out-Patient Clinic of Oral and Maxillofacial Surgery Department, Faculty of…
- Trial name
- NCT06358352
- Testing
- Lutein / Zeaxanthin, Platelet rich fibrin
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Macula Lutea Opacity
Food or Supplemental Lutein Absorption
The aim of this study is to investigate in healthy adults, 18-40 years of age, how the absorption of 5 mg of L differs between consumption as a supplement, blended foods, and whole food equivalent of blended foods.
- Trial name
- FSLA20 (NCT04786392)
- Testing
- Lutein supplement, Food, blended, Food, unprocessed
- Where
- Australia
- Volunteers
- healthy volunteers welcome
- Sponsor
- The University of Queensland
Minimal Erythema Dose, Skin Viscoelasticity
The Effect of 12-Week Dietary Intake of Lutein on Minimal Erythema Dose and Other Skin Parameters
The double-center, randomized, placebo-controlled, one-period effectiveness study will include 30 subjects (women, aged between 25 to 55 years, Fitzpatrick phototype II and III).
- Conditions
- Minimal Erythema Dose, Skin Viscoelasticity, Dermis Density
- Trial name
- VIST Lutein (NCT03811977)
- Testing
- Lutein syrup
- Where
- Slovenia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- VIST - Faculty of Applied Sciences
Absorption, Metabolism and Excretion in Healthy Volunteers, Bioavailability and AUC
Bioavailability Trial
Carrot is a unique vegetable owing to the availability of bioactive compounds polyacetylenes (PA) as well as carotenoids present in it.
- Trial name
- NCT06686004
- Testing
- Carrots
- Where
- United Kingdom
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Newcastle University
Carotenoids
Sweet Corn and Carotenoids
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…
- Trial name
- NCT06892444
- Testing
- Yellow Sweet Corn, White Sweet Corn
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Florida