Zeaxanthin is a carotenoid, a type of pigment found naturally in various fruits and vegetables, particularly in leafy greens like spinach and kale, as well as in orange and yellow produce such as corn and peppers. Known for its vibrant color, zeaxanthin is recognized for its role in eye health. It accumulates in the retina, particularly in the macula, which is crucial for central vision. Research indicates that zeaxanthin, often studied alongside its counterpart lutein, may help filter harmful b

How many studies on Zeaxanthin are available?

NutriVouch references 262 human studies on Zeaxanthin, all peer-reviewed and indexed on PubMed.

Is Zeaxanthin effective for Eye Health?

For Eye Health, Zeaxanthin has an effectiveness score of 8/10 — strong evidence supporting clinical use. Based on 56 relevant studies.

Is Zeaxanthin effective for Antioxidant Protection?

For Antioxidant Protection, Zeaxanthin has an effectiveness score of 6/10 — moderate evidence — works in some populations. Based on 21 relevant studies.

Is Zeaxanthin effective for Skin Health?

For Skin Health, Zeaxanthin has an effectiveness score of 4/10 — weak or limited clinical evidence. Based on 21 relevant studies.

Is Zeaxanthin effective for Anti-Aging?

For Anti-Aging, Zeaxanthin has an effectiveness score of 4/10 — weak or limited clinical evidence. Based on 17 relevant studies.

Is Zeaxanthin effective for Cognitive Function?

For Cognitive Function, Zeaxanthin has an effectiveness score of 3/10 — weak or limited clinical evidence. Based on 14 relevant studies.

Confidence level

Moderate evidence

262 studies

Zeaxanthin

Absorption

✦Take with a fat-containing meal for best absorption, as it is a fat-soluble carotenoid. Avoid taking with large amounts of fiber, which may inhibit absorption.

Daily Dose

⚖

Common dose: 2–10 mg daily

RDA: No official RDA established

Upper limit: Not established

Best form: Free form or esterified form (zeaxanthin dipalmitate)

Timing: With a fat-containing meal

Often taken with lutein for eye health. Consult a healthcare provider before starting supplementation if taking medication or managing health conditions.

Effects

👁 Eye Health

8.056 studies›

🍇 Antioxidant Protection

Food Sources

Kale5,880mcg per 100g
Spinach3,630mcg per 100g
Corn2,350mcg per 100g
Red peppers335mcg per 100g
Egg yolks270mcg per egg