Evidence supporting the use of: Astaxanthin
For the body system: Eyes

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Astaxanthin is a naturally occurring carotenoid pigment found in microalgae, yeast, salmon, trout, krill, shrimp, and crayfish. It has gained attention for its antioxidant properties, particularly in relation to eye health. Several peer-reviewed studies have investigated astaxanthin's potential to protect the eyes from oxidative stress, which is implicated in the development of conditions such as age-related macular degeneration (AMD) and eye fatigue. Research indicates that astaxanthin can cross the blood-retina barrier and exert antioxidant effects in ocular tissues. Some small clinical trials and animal studies have suggested that astaxanthin supplementation may improve retinal blood flow, reduce symptoms of eye fatigue (asthenopia), and decrease inflammation. Additionally, it has been shown to help protect photoreceptor cells from light-induced damage in experimental models.

However, while the antioxidant mechanism is well established in vitro and in animal models, the evidence from human clinical trials is still limited in both scope and sample size. Most studies to date are preliminary and have focused on subjective symptoms like eye fatigue rather than hard clinical endpoints such as prevention or reversal of retinal diseases. Thus, while there is a plausible scientific basis and some supportive evidence for astaxanthin's use in eye health, more rigorous and larger-scale human studies are needed to establish its efficacy conclusively.

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Other ingredients that support Eyes

3,3'-dihydroxy-B-carotene-4,4'-dione
Acetyl L-carnitine
Alchornea
Algae
algal oil
Alpha-carotene
anchovies
anthocyanidins
anthocyanins
anthocyanosides
apricot
Aronia melanocarpa
astaxanthin
avocado
barbary matrimony vine
bee products
Beef liver
berry
beta-carotene
beta-zeacarotene
bilberry
bioflavonoids
black currant
blackberry
Blakeslea trispora
blueberry
broccoli
calamari oil
cantaloupe
capsanthin
Carnosine
carotene (unspecified)
carrot
Celosia
chickweed
Chinese Ligustrum berry
chrysanthemum
citicoline
cocklebur
cod liver oil
cornflower
Cornus
crocetin
crocin
Crypthecodinium
cryptoxanthin
currant
cyanidin
d-alpha tocopherol
DHA (docosahexaenoic acid)
docosahexaenoic Acid
Dunaliella
Dunaliella salina
egg
eicosapentaenoic acid
EPA (eicosapentaenoic acid)
ergothioneine
Eyebright
Fagopyrum
fat liver oil
fatty acids
fibroblast growth factor
fish
fish oil
flavoglycosides
flavonoids
flavonols
fruit
fruit and vegetable blend (proprietary)
Gac
gamma-carotene
ginkgo flavone glycoside
Glutathione
goji berry
gooseberry
Haematococcus pluvialis
haliotis
herbal blend (proprietary)
huckleberry
hyaluronic acid
Idebenone
kale
L-carnosine
L-taurine
Ligustrum
lipids
lutein
Lycium
marigold
Marine fat
Marine lipid
Melatonin
Mineral ascorbate
mixed carotenoids
Morus
Mulberry
N-Acetyl Carnosine
Oligomeric proanthocyanidins
omega-3 fatty acids
orange
Phaffia rhodozyma
pine bark
Polygonum
polyphenols
polyunsaturated fat
proanthocyanidins
procyanidol
pumpkin
Pycnogenol
riboflavin (vitamin B2)
rose
rue
rutin
saffron
Salmon Oil
Schizochytrium
Schizochytrium Oil
Spanish Needle
spinach
Tagetes
Taurine
Tea
trace minerals
Triphala
Troxerutin
vegetable and fruit blend (proprietary)
vitamin A
vitamin B
vitamin C
vitamin E
Xanthophyll
Zeaxanthin
Zinc

Other body systems supported by astaxanthin

Arteries
Brain
Circulatory System
Eyes
Heart
Immune System
Muscles
Skin