Evidence supporting the use of: Vitamin A
For the body system: Brain
Synopsis
Source of validity: Scientific
Rating (out of 5): 2
Vitamin A is an essential micronutrient primarily known for its role in vision, immune function, and cellular growth. Its use to support the brain and nervous system is based on scientific evidence, although the strength of this evidence for direct cognitive or neurological benefits in healthy individuals is modest. Vitamin A is crucial for normal brain development, especially during fetal and early postnatal periods. Retinoic acid, a metabolite of vitamin A, regulates gene expression involved in neuronal differentiation, synaptic plasticity, and neurogenesis. Animal studies have shown that vitamin A deficiency can impair learning, memory, and synaptic function. In particular, retinoic acid signaling is important for hippocampal function, a brain region critical for memory formation. However, in human studies, the evidence that vitamin A supplementation directly enhances cognition or neurological health in the general population is limited. Severe deficiency can lead to neurological symptoms, but this is rare in developed countries. Most research supports vitamin A's role in brain health as part of overall nutritional status, rather than as a targeted cognitive enhancer. Thus, while there is a scientific basis for vitamin A being important for the brain, its use specifically to "support the brain body system" beyond preventing deficiency is not strongly validated.
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5-Hydroxytryptophan (5-HTP)
5-methyltetrahydrofolate glucosamine
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Acetyl L-carnitine
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Adenosine triphosphate (ATP)
Agarwood
Agmatine
Albizia
Algae
algal oil
Algal protein
Almond fruit
Alpha glyceryl
Alpha lactalbumin
alpha-linolenic acid (ALA)
alpha-lipoic acid
alpha-pinene
amino acids
AMP-activated protein kinase (AMPK)
anamu
anchovies
Angelica
animal protein
aniracetam
anserine
anthocyanidins
anthocyanins
anthocyanosides
antler
apigenin
apocynin
apple
arachidonic acid
arginine creatine
Arginine silicate
ashitaba
ashwagandha
asiaticoside
astaxanthin
Asteraceae
astragaloside
avocado
baccosides
Bacopa
Bacopin
bacoside
baicalein
baicalin
Baikal Skullcap
banana
Basidiomycota
basil
BCAA
bee pollen
bee products
beef
Beef liver
belleric myrobalan
benfotiamine
bergamot
berry
beta caryophyllene
beta phenethylalamine
beta-hydroxybutyrate
betony
bilobalide
biopterin
bird\'s nest
black cumin
black currant
black galingale
black garlic
black ginger
black pepper
black seed
black tea
blackberry
blubber oil
Blue-Green Alage
blueberry
bone marrow
borage
borneol
Boswellic Acid
bovine liver
brahmi
branched-chain amino acids
Brazil nut
breadnut
broad bean
broccoli
Brussel sprouts
butylphthalide
bасора
C-phycocyanin
cactus
caffeine
calamari oil
calamus
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Camellia sinensis
cannabichromene
cannabidiol
cannabigerol
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cardamom
carnosic acid
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carnosol
caryophyllene
cassia bark
catalpol
catechins
catecholamine
caterpillar mushroom
catuaba
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centrophenoxine
chaga mushroom
chamomile
cherry
chia seed
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Chinese mountain ant
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chocolate
chokeberry
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chrysanthemum
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cistanche
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cod liver oil
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coenzyme Q10 (CoQ10)
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cola nut
colostrum
Convolvulus pluricaulis
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cordyceps
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cowslip
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crocetin
crocin
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Curcuma
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currant
cyanidin
cyanobacteria
cytidine
cytisine
d-alpha tocopherol
D-phenylalanine
damiana
danshen
date
deanol
decursin
deer velvet
dehydroascorbic acid
Dendrobium
dextrose
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DHEA (dehydroepiandrosterone)
diallyl disulfide (DADS)
diallyl trisulfide (DATS)
dibenzo-alpha pyrones
dihydrolipoic acid
dihydromyricetin
dismutase
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dopamine
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dwarf morning glory
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eicosapentaenoic acid
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eleuthero
elk antler
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enokitake
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fat liver oil
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fava bean
ferritin
feverfew
fibroblast growth factor
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fish oil
fish protein
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flavin mononucleotide
flavoglycosides
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fo-ti
folate
folic acid
folinic acid
frankincense
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fucosterol
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galantamine
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ginkgoheteroside
ginkgolides
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glycerophosphocholine (GPC)
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krill oil
kuding tea
kudzu
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l-carnitine
L-carnosine
L-glycine
L-phenylalanine
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l-tyrosine
lactalbumin
lactium casein decapeptide
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lemon balm
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lion's mane
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liquid liver fractions
long pepper
longan
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lotus seed
lutein
luteolin
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maca
macamides
mace
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magnolia
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mandrake
mangiferin
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noni
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olive
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omega-6 fatty acids
omega-9 fatty acids
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oriental arborvitae
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pantothenic acid (vitamin B5)
paraxanthine
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peanut
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phlorotannins
Phosphatidic Acid
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Phosphatidylethanolamine
phosphatidylserine
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polyphenols
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polyunsaturated fat
pomegranate
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procyanidin
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pu-er tea
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purslane
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pyrroloquinoline quinone
quercetin
quinoa
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resveratrol
rhizome
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riboflavin (vitamin B2)
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rosavins
rose
rose oil
rosemary
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rosmarinic acid
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sceletium
Schisandrins
Schizandrol A
Schizochytrium
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seaweed
selenium
Selenocysteine
Selenomethionine
Semecarpus anacardium
sesame
Sesamin
Sesquiterpenes
Shankhpushpi
Shilajit
Sialic acid
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silk tree
skullcap
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Southern Tsangshu
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soybean
spearmint leaf
specialized pro-resolving mediators (SPMs)
Sphaeranthus indicus
Sphingomyelin
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spinach
spirulina
St. John's Wort
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strawberry
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sulforaphane glucosinolate
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Tanshinone
Taurine
Taxifolin
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Teacrine
Terminalia
terpene lactones
Terpenoids
Tetrahydropalmatine
Theacrine
Thiamin (vitamin B1)
Threonic acid
thyme
Thymoquinone
Tinospora cordifolia
tocotrienols
Tongkat ali
trace minerals
Trans-pterostilbene
Tremella
Triacetyluridine
Trichilia catigua
Trichopus zeylanicus
Triphala
Troxerutin
Tumerone
turmeric
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ubiquinol
Uncaria
Uridine
Urolithin A
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Valerian root
vegetable and fruit blend (proprietary)
Vegetable Protein
velvet bean
Verbena
Vervain
Vetiver
Vinburnine
Vincamine
Vine tea
Vinpocetine
vitamin A
vitamin B
vitamin B12
vitamin B6
vitamin C
vitamin D
vitamin D3
vitamin E
Vitexin
Walnut
Waterhyssop
wheat germ
Whey protein
White Tea
Willow
Withanolides
Wogonin
Wood betony
Xanthine
Xanthohumol
Xylaria nigripes
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Zapilopatle Bean
Zinc
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