Eye Health
Two of the leading causes of visual impairment and blindness are age-related macular degeneration (AMD) and age-related cataracts. Both diseases are related to light-induced oxidative processes within the eye. Carotenoids like lutein and zeaxanthin are concentrated in the macula of the eye. A dietary intake of carotenoids, specifically lutein and zeaxanthin, can reduce risk for both nuclear cataracts and AMD.
Natural astaxanthin from haematococcus pluvialis extract has a stronger antioxidant activity and UV-light protection effect than lutein and zeaxanthin. Animal studies demonstrated that natural astaxanthin is capable of crossing the blood–brain barrier and, similar to lutein, will deposit in the retina of mammals. The retinal photoreceptors of rats fed astaxanthin were less damaged by a UV-light injury and recovered faster than animals not fed natural astaxanthin.Therefore, it is inferred that astaxanthin deposition in the eye could provide superior protection against UV light and oxidation of retinal tissues for eye health maintenance.
Skin Health
Excessive exposure of unprotected skin to sunlight leads to sunburn, photo-induced oxidation, inflammation, aging and even carcinogenesis of skin cells. Studies show that typical dietary antioxidants can reduce such damage, like b-carotene.Natural astaxanthin supplementation protects the retinal photoreceptors in the eyes of rats exposed to acute UV-light injury, The protective effect of natural astaxanthin against UV-induced photooxidation was stronger when compared with b-carotene and lutein.These findings indicate that natural astaxanthin from haematococcus pluvialis has an excellent potential as an oral sun-protectant.

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