Evidence supporting the use of: Vitamin A
For the body system: Eyes
Synopsis
Source of validity: Scientific
Rating (out of 5): 5
Vitamin A is extensively validated by scientific research for its vital role in supporting eye health. It is an essential nutrient for the maintenance of normal vision. The active form of vitamin A, retinal, combines with the protein opsin to form rhodopsin, a molecule necessary for color vision and seeing in low-light conditions. Deficiency in vitamin A is a well-established cause of night blindness and, in severe cases, can lead to xerophthalmia, corneal ulcers, and permanent blindness. Numerous clinical and epidemiological studies have demonstrated that vitamin A supplementation prevents and treats these eye conditions, particularly in populations at risk for deficiency. The World Health Organization identifies vitamin A deficiency as a leading cause of preventable childhood blindness worldwide and recommends supplementation in settings where deficiency is prevalent. While vitamin A is critical for ocular health, excessive intake can be toxic, so supplementation should be guided by medical advice. In summary, the use of vitamin A for supporting the eyes is strongly supported by scientific evidence, with a clear understanding of its mechanisms and clinical benefits in vision and ocular tissue maintenance.
Other ingredients that support Eyes
acetyl l-carnitinealgal oil
alpha-carotene
anchovies
anthocyanins
apricot
astaxanthin
berry flavor
beta-carotene
bilberry
black currant
blackberry
blueberry
broccoli
calamari oil
carrot
citicoline
cryptoxanthin
d-alpha tocopherol
DHA (docosahexaeonic acid)
EPA (eicosapentaenoic acid)
fish oil
flavonols
fruit and vegetable blend (proprietary)
gooseberry
hyaluronic acid
hypromellose
kale
l-carnosine
l-taurine
lutein
mackerel
mannitol
marine lipid
melatonin
mixed carotenoids
omega-3 fatty acids
orange
pine bark
pumpkin
riboflavin (vitamin B2)
rutin
saffron
sardines
shrimp
spinach
tomato
triphala
vegetable and fruit blend (proprietary)
vitamin A
vitamin B
vitamin C
vitamin E
water
mulberry
zeaxanthin
zinc
chickweed
morus
chrysanthemum
haliotis
polyphenols
trace minerals
goji berry
herbal blend (proprietary)
algae
3,3'-dihydroxy-B-carotene-4,4'-dione
Aronia melanocarpa
Alchornea
Avocado
anthocyanidins
anthocyanosides
beta-zeacarotene
Beef liver
Blakeslea trispora
berry
Bioflavonoids
Bee products
Barbary matrimony vine
Crocin
Carnosine
Cod Liver Oil
Cyanidin
Cornflower
Cantaloupe
Chinese Ligustrum berry
Cornus
Carotene (unspecified)
Crocetin
Cocklebur
Crypthecodinium
Celosia
Capsanthin
Currant
Dunaliella salina
Docosahexaenoic Acid
Dunaliella
Egg
Ergothioneine
Eicosapentaenoic Acid
Flavonoids
fibroblast growth factor
Rose
Squid
Squash
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