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

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Synopsis

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

Blueberry (Vaccinium spp.) is often promoted for supporting eye health, primarily due to its high content of anthocyanins—natural pigments with antioxidant properties. The use of related berries, such as bilberry, in traditional medicine for improving night vision and other eye conditions dates back to World War II anecdotes, although these stories are now considered largely unsubstantiated. Scientifically, laboratory and animal studies have shown that anthocyanins can help protect retinal cells from oxidative stress, which is a contributing factor in age-related eye conditions such as macular degeneration and cataracts.

However, evidence in humans remains limited. Some small clinical trials have explored the impact of blueberry or anthocyanin supplementation on various markers of eye health, such as visual acuity and eye fatigue, yielding mixed results. A few studies suggest potential benefits in reducing eye fatigue and improving some aspects of vision, but these studies are generally small, short-term, and sometimes methodologically weak. Meta-analyses and systematic reviews typically conclude that while blueberries are rich in antioxidants and have plausible mechanisms of action, there is currently insufficient high-quality clinical evidence to support strong claims about their effectiveness for eye health.

In summary, blueberries are used for eye support based on their antioxidant profile and some preliminary human data, but robust scientific validation is lacking, leading to a modest evidence rating.

More about blueberry
More about Eyes

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

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Douglas Laboratories Ultra Preventive
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Douglas Laboratories Ultra Preventive ® 2 Daily
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Douglas Laboratories Ultra Protein Green
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