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Botanical

Carotenoids

Carotenoids are yellow, orange and red plant pigments such as beta-carotene, lutein and lycopene. Some of them can be converted into vitamin A.

Organ FunctionHair & SkinImmune SupportLongevityCardiovascular

A specific use for eye disease

AREDS and AREDS2 combination supplements reduce the relative risk of progression from intermediate to advanced age-related macular degeneration, or AMD, by about 25%. They do not prevent AMD from starting. This evidence concerns people with defined eye disease and complete formulas, not carotenoids in general. 1

Eye HealthSupported

Benefit concerns complete AREDS formulas in selected AMD stages. 1

What does antioxidant research measure?

A review of human intervention studies found that carotenoid mixtures improved some blood measures of antioxidant capacity and lowered triglycerides. Several antioxidant enzymes and HDL cholesterol did not change. These laboratory findings support further research, but do not establish fewer illnesses or longer life. 2

Oxidative stressToo little evidence

Changes in blood markers do not establish disease prevention. 2

Effects by health goal

Open an effect to see the studies behind its rating. Bars show the size of the effect; the letter grades the evidence.

Cardiovascular1 effect

Cholesterol balanceCardiovascularSmallBNo linked study

No study is linked to this rating.

Rated by SuppCo · high confidenceEvidence record

Cognition1 effect

MemoryCognitionSmallBNo linked study

No study is linked to this rating.

Rated by SuppCo · medium confidenceEvidence record

All studies

12 publications are linked to Carotenoids, newest first.

Nutraceutical Interventions for Mitigating Skin Ageing: Analysis of Mechanisms and Efficacy.2025A Detailed Analysis of the Carotenoids and their Derivatives, including their Multiple Health Advantages2023Carotenoids: Dietary Sources, Extraction, Encapsulation, Bioavailability, and Health Benefits—A Review of Recent Advancements2022Effects of Oral Carotenoids on Oxidative Stress: A Systematic Review and Meta-Analysis of Studies in the Recent 20 Years2022Carotenoids supplementation and inflammation: a systematic review and meta-analysis of randomized clinical trials2021Health Benefits of Polyphenols and Carotenoids in Age-Related Eye Diseases2019Carotenoids and Markers of Oxidative Stress in Human Observational Studies and Intervention Trials: Implications for Chronic Diseases2019Carotenoids: How Effective Are They to Prevent Age-Related Diseases?2019Influence of dietary carotenoids on radical scavenging capacity of the skin and skin lipids.2013Carotenoids in human skin2011Update: effects of antioxidant and non-antioxidant vitamin supplementation on immune function.2007Effects of carotenoids on human immune function1999

Sources

  1. AREDS/AREDS2 Clinical Trials National Eye Institute, 2025