Evidence supporting the use of: Cryptoxanthin
For the health condition: Eye Problems
Synopsis
Source of validity: Scientific
Rating (out of 5): 2
Cryptoxanthin is a naturally occurring carotenoid, structurally related to beta-carotene and present in various fruits and vegetables, especially orange and red produce. Carotenoids are well-known for their role in eye health, primarily due to their antioxidant properties and their presence in the macula and retina of the eye. However, the majority of scientific research and clinical evidence for eye health focuses on specific carotenoids like lutein, zeaxanthin, and beta-carotene, which are established as beneficial for reducing the risk of age-related macular degeneration (AMD) and cataract formation.
While cryptoxanthin is a provitamin A carotenoid (it can be converted to vitamin A in the body), and vitamin A is essential for normal vision, direct evidence supporting cryptoxanthin supplementation or dietary intake specifically for eye problems is limited. Some epidemiological studies suggest that higher intakes of cryptoxanthin-rich foods are associated with a reduced risk of certain chronic diseases, but its unique contribution to eye health, independent of other carotenoids, remains unclear. Most clinical guidelines and major studies (such as AREDS and AREDS2) do not include cryptoxanthin as a primary supplement for eye disease prevention or treatment.
In summary, the use of cryptoxanthin for eye problems is supported by its general role as a carotenoid and vitamin A precursor, but there is only limited, indirect scientific evidence specifically validating its use for eye health. For this reason, the evidence rating is moderate to low.
Other ingredients used for Eye Problems
Alpha-caroteneanthocyanidins
anthocyanins
anthocyanosides
avens
bai ji
Bassia scoparia
berry
beta-carotene
beta-zeacarotene
bilberry
bioflavonoids
blueberry
boxthorne
carotene (unspecified)
carrot
Carthamus
chamomile
chickweed
chrysanthemum
citrus bioflavonoids
cryptoxanthin
cucumber
Epidermal Growth Factor
Eyebright
fennel
fibroblast growth factor
flavoglycosides
flavonoids
flavonols
ginkgo flavone glycoside
goldenseal
green tea
Japanese sophora
Ligustrazin
little ironweed
lodhtree
lutein
mango
marigold
mixed carotenoids
N-Acetyl Carnosine
Nardostachys
nut grass
Oligomeric proanthocyanidins
omega-3 fatty acids
oriental arborvitae
Pulsatilla
Pycnogenol
rutin
selenium
Self-Heal
Speedwell
Sumac
Trichosanthes
turmeric
Viola
vitamin A
vitamin C
vitamin E
Yerba buena
Zeaxanthin
Zinc
