Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Capsanthin is a naturally occurring carotenoid pigment found primarily in red peppers (Capsicum annuum). Its primary traditional use has been as a natural colorant in food. However, recent scientific interest has focused on its potential antioxidant properties, including benefits for eye health.

Capsanthin is structurally similar to other carotenoids like lutein and zeaxanthin, which are well-established for supporting eye health, particularly in protecting the retina from oxidative damage and reducing the risk of age-related macular degeneration (AMD). Several in vitro and animal studies suggest capsanthin has strong antioxidant and anti-inflammatory properties, which could be beneficial for ocular tissues. Some preliminary research has shown it may help reduce oxidative stress in retinal cells.

However, direct clinical evidence in humans specifically linking capsanthin intake to improved eye health or prevention of eye diseases is lacking. Most human studies on eye health focus on other carotenoids (lutein, zeaxanthin, beta-carotene), with capsanthin rarely singled out. As such, while there is a plausible scientific rationale and some early-stage experimental evidence, robust human clinical trials are still needed to confirm its effectiveness for eye support.

In summary, the use of capsanthin for eye health is based on scientific reasoning and some supportive laboratory data, but the evidence base is currently limited, and rated as moderate to low (2/5) due to the lack of direct clinical studies.

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black currant
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broccoli
calamari oil
cantaloupe
capsanthin
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carotene (unspecified)
carrot
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chickweed
Chinese Ligustrum berry
chrysanthemum
citicoline
cocklebur
cod liver oil
cornflower
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crocetin
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egg
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EPA (eicosapentaenoic acid)
ergothioneine
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fatty acids
fibroblast growth factor
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flavoglycosides
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ginkgo flavone glycoside
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goji berry
gooseberry
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haliotis
herbal blend (proprietary)
huckleberry
hyaluronic acid
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L-taurine
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lipids
lutein
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mixed carotenoids
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omega-3 fatty acids
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vitamin A
vitamin B
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Other body systems supported by capsanthin

Eyes

Products containing capsanthin

We currently have no products on Vitabase that contain this ingredient.