Evidence supporting the use of: Vitamin A
For the body system: Lungs

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Synopsis

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

Vitamin A has a scientifically established role in supporting the lungs and overall respiratory health. This fat-soluble vitamin is critical for maintaining the integrity and function of epithelial tissues, which line the respiratory tract and serve as the body's first line of defense against pathogens. Deficiency in vitamin A can impair mucosal barriers, making the lungs more susceptible to infections and injury. Research has shown that vitamin A is essential for the normal development and differentiation of lung tissue, especially during fetal growth and early childhood. Several studies have found that vitamin A supplementation can reduce the incidence and severity of respiratory infections, particularly in populations at risk of deficiency, such as young children and pregnant women in low-resource settings. However, in well-nourished populations, supplementation does not appear to provide significant benefit for preventing respiratory illnesses. High doses of vitamin A can be toxic and should be avoided, as excessive intake has been linked to adverse respiratory outcomes, including increased risk of lung cancer in smokers. Overall, while vitamin A is crucial for lung health, its supplementation is most justified in the context of deficiency or increased physiological need, rather than as a universal remedy for respiratory issues.

More about vitamin A
More about Lungs

Other ingredients that support Lungs

Abies spectabilis
Adenophora
Adrenergic amines
Agarikon Mushroom
Agarwood
Agastache
Alantolactone
Albizia
Alchornea
Allicin
Allium tuberosum
Almond fruit
alpha-pinene
alpha-terpineol
Alstonia scholaris
Amomum
Ampelopsis
Anamarrhena
anamu
Andrographis
andrographolide
Anemarrhena
anemarrhena asphodeloides
Angelica
animal protein
anise
Antrodia camphorata
apocynin
apple
apricot
Aralia
Arisaema
Armillaria mellea
asafoetida
Asarum heterotropoides
Asarum sieboldii
aster root
Asteraceae
astragalin
astragaloside
astragalus
Baccharis dracunculifolia
bai ji
baicalein
baicalin
Baikal Skullcap
balloon flower
balsam
bamboo
Baphicacanthus cusia
Barleria
Basidiomycota
basil
bee products
bee propolis
Belamcanda
belleric myrobalan
benegut perilla (proprietary)
benzoin
berry
beta-carotene
bethroot
Bidens pilosa
bird\'s nest
bishop\'s weed
black cumin
black nightshade
black seed
Black spruce
Bletilla
Boerhavia diffusa
bok choy
Bombax
boneset
borage
borneol
Boswellia
Boswellic Acid
Bougainvillea
boxthorne
Brassica
broccoli
Bryonia
Buddha\'s hand
Bupleurum
butterbur
cabbage leaf
cajuput
calycosin
camphor oil
capsaicin
cardamom
carrot
Casearia sylvestris
catecholamine
caterpillar mushroom
cayenne pepper
cedar
Cedrus libani
Centipeda
chaparral
Chekiang Fritillary
chen pi
chickweed
Chinese pond turtle
Chinese salvia root
Chondrus
chrysanthemum
cineole
Cinidium
cinnamic acid
Cistus
Citrus
Clerodendrum indicum
clove
coca
cocklebur
cod liver oil
Codonopsis
coix
coltsfoot
cordyceps
coriolus mushroom
corktree
cortisol
costus
cowherb
cowslip
cruciferous
cryptoxanthin
cubeb
Curcuma
curcumen
curcumin
Curcuminoid
Cyanthillium cinereum
Cynanchum
cytokines
danshen
deer root
deer velvet
Dendrobium
Desmodium
devil\'s club
diallyl disulfide (DADS)
diallyl trisulfide (DATS)
Dichroa
eicosapentaenoic acid
Elder
elecampane
elephant\'s head
elkweed
enokitake
EPA (eicosapentaenoic acid)
Ephedra
ephedrine
Erigeron
essential oil blend
eucalyptus
Eupatorium
Eupolyphaga sinensis
European Elder
Eyebright
fang-feng
fatty acids
fennel
fibroblast growth factor
Ficus religiosa
fir
Flammulina velutipes
flat-stem milk-vetch
flavanones
flavones
flavonoids
flavonols
flavonones
fleabane
forskolin
frankincense
fritillaria
fritillary
fruit
fruit blend (proprietary)
fu ling
fungus
Galbanum
gamma tocopherol
gamma-glutamylcysteine
ganoderma
garden cress
gardenia
Gardenia jasminoides
garlic
garlic bulb
ginger
ginkgo biloba
ginseng
Ginsenosides
Glechoma hederacea
Gleditsia
Glehnia littoralis
glehnia root
Glutathione
Glycyrrhizin
Gnaphalium
gooseberry
grape
green chiretta
green tea
greens blend (proprietary)
Grindelia
Guaco
Guava
Gumweed
Gypenoside
heal-all
Heartsease
Hederacoside
Hedychium spicatum
Hedyotis
herbal blend (proprietary)
Higenamine
honey
honey loquat syrup
honeysuckle
Honokiol
horehound
horseradish
Houttuynia
Hyperoside
Hyphomycetes
hyssop
Ilex
Indian coraltree
Indian fagonia
Indian frankincense
Indian ipecac
Indian sarsparilla
inula racemosa
Isatis
Isoalantolactone
isodon rubescens
isothiocyanates
Ivy
jasmine
Javanese Long Pepper
jiaogulan
Job\'s tears
Kaempferol
Kalanchoe pinnatum
kale
knotgrass
knotweed
kuding tea
kudzu
L-cysteine
L-glutathione
labrador tea
Lactucarium
Laggera pterodonta
Lapachol
Large-leaved linden
Lebbek
lemon
Leptospermum scoparium
lichen
licorice root
Ligusticum
ligustilides
Ligustrazin
lily
linden
Lindera
lingzhi
lobelia
Lomatium
long pepper
loquat
Loranthus
lotus
lovage
luffa
lungwort
Lycium
lycopene
Lygodium
magnolol
Maidenhair Fern
malabar nut
mallow
Malva sylvestris
Marine lipid
Marjoram
Marsh Tea
Marshmallow
Matico
Menthol oil
Mesima
Methylxanthine
Milkweed
Mineral ascorbate
Ming Dang Shen
Mint
mixed carotenoids
Monardella odoratissima
Mondo grass
Monoterpenes
Morinda
Moringa
Mormon Tea
Morus
Moss
Mountain bluebells
Mountain pride
Mucilage
Mugwort
Mulberry
Mullein
Mung bean
Mushroom
mustard seed
N-acetyl-cysteine (NAC)
Nandina
Nasturtium
Neem tree
Neoandrographolides
Nettle
Nigella seed
Night jessamine
noni
Oldenlandia diffusa
oleanolic acid
onion
Onosma bracteatum
Ophiopogon
ophiopogon root
orange
orchid
oregano
oriental arborvitae
Oroxylum indicum
Osha
Osmanthus
Osthole
Oxymatrine
Paris polyphylla
parsley
pear
Pelargonium
Pentacyclic triterpenoids
Pepper
Peppermint
perilla
Persimmon
Petasines
Petiveria
Peucedanum
Phenylpropanoids
Phlebodium decumanum
PhosphatidylGlycerol
Phragmites
Phthalides
Physalis angulata
Pimpinella
Pinellia ternata
Piper chaba
pistacia integerrima gall
Plantago
plantain
Platycodon
platycodon root
Plectranthus amboinicus
Pluchea
pollen
Polygala
Polygonatum
Polygonum
polymethoxylated flavones
polyphenols
polysaccharides
Portulaca
Propolis
Psacalium peltatum
Pseudostellaria
Puerain
Puerarin
Pulsatilla
pumpkin
punarnava
Purple milkweed
purslane
Pyrrosia
quail egg
Quebracho
quercetin
radish
ravinsara
red clover
red soapwort
reishi mushroom
Rhabdosia rubescens
rhizome
Rosa laevigata
Rosa roxburghii
rose
rosemary
Rosy conk
rubber rabbitbrush
Rubiaceae
Rubus
rue
salt
Salvia
Salvianolic acid
Sambucus nigra
Sanicle
Sarcandra glabra
Sassafras
Schisandrins
schizonepeta
Selaginella
Serrapeptase
Sesquiterpenes
Shark Liver Oil
Sichuan Lovage
Sida cordifolia
siler root
Silkmoth
Skunkvine
slippery elm bark
Solanum indicum
solomon's seal
Sophora
Spanish Needle
specialized pro-resolving mediators (SPMs)
Speedwell
Sphaeranthus indicus
spruce
Stemona
Stephania root
Stereospermum
Stillingia
Storax
Sulfated polysaccharide
Sulforaphane
sulforaphane glucosinolate
Sumbul
Sundew
sunflower
Sweet Annie
sweetgums
Szechuan lovage
Tanshinone
tartarian aster
Taxillus sutchuenensis
Tea
Terminalia
Terpenoids
Theophylline
thyme
Thymol
Thymoquinone
Tinospora cordifolia
Trametes
Tremella
Trichosanthes
Triterpenes
Tulbaghia
turmeric
Tylophora
Tylophorine
Tynanthus elegans
Typhonium flagelliforme
Umckalin
Umckaloabo
Vasicine
Vasicinol
Vasicinone
vegetable and fruit blend (proprietary)
vegetable blend (proprietary)
Verbascoside
Veronica
Vine tea
Viola
Violet
vitamin A
vitamin C
vitamin D
vitamin D3
vitamin E
Vladimiria souliei
Watercress
Wax Gourd
Wogonin
Wulinshen
Xanthine
Yarrow
Yerba Mansa
Yerba santa
Yumberry
zanthoxylum
zhejiang fritillary

Products containing vitamin A

Designs For Health Acnutrol™ capsules
Vitabase Active Man's Formula
Vitabase Active Woman's Multi
Designs For Health ADK-Evail™
Metagenics AdvaClear
Metagenics AdvaClear
Thorne Advanced Nutrients Multivitamin
Pure Encapsulations AntiOxidant Formula
Metagenics Axis Endo™ Mango
Thorne Basic Nutrients 2/Day Multivitamin
Thorne Basic Prenatal Multivitamin
Pure Encapsulations Beta Carotene with Carotenoids
Metagenics BioPure Protein® Powder
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus Berry
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus pH
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics Clear Change 10-Day Detox Program with UltraClear Plus Vanilla
Metagenics Clear Change 10-Day Detox Program with UltraClear RENEW Berry
Metagenics Clear Change 10-Day Detox Program with UltraClear RENEW Chai
Metagenics Clear Change 10-Day Detox Program with UltraClear RENEW Vanilla
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus Berry
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus pH Vanilla
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics Clear Change 28-Day Detox Program with UltraClear Plus Vanilla
Metagenics Clear Change 28-Day Detox Program with UltraClear RENEW Berry
Metagenics Clear Change 28-Day Detox Program with UltraClear RENEW Chai
Metagenics Clear Change 28-Day Detox Program with UltraClear RENEW Vanilla
Metagenics Clear Change Daily Essentials
Integrative Therapeutics Clinical Nutrients HP
Douglas Laboratories Co-Enzyme Q10 Softgel
Integrative Therapeutics Detoxication Factors
Integrative Therapeutics Detoxication Factors
Designs For Health DFH Complete Multi™
Designs For Health DFH Complete Multi™ with Copper
Designs For Health DFH Complete Multi™ with Copper & Iron
Integrative Therapeutics EHB
Pure Encapsulations Energize Plus™ Pure Pack
Metagenics EstroFactors®
Metagenics Fem Prenatal®
Metagenics GI Sustain™ Powder
Douglas Laboratories Hair, Skin and Nails Plus
Vitabase Hair, Skin & Nails Formula
Designs For Health Hi-Po Emulsi-A™
Integrative Therapeutics K-PAX MitoNutrients
Metagenics Ketogenic Shake Chocolate
Metagenics Ketogenic Shake Vanilla
Klean Athlete Klean Multivitamin ™
Vitabase Life's Essentials Plus
Douglas Laboratories Liquid Multivitamin
Pure Encapsulations LiquiNutrients
Designs For Health LV-GB Complex™
Pure Encapsulations Macular Support Formula
Pure Encapsulations Macular Support Formula
Thorne MediClear Plus
Thorne Men's Multi 50+
Designs For Health Metabolic Synergy™
Designs For Health Metabolic Synergy™
Metagenics MetaKids Multi Soft Chew Grape
Metagenics MetaKids Nutrition Powder Chocolate
Metagenics MetaKids Nutrition Powder Vanilla
Pure Encapsulations Multi t/d
Pure Encapsulations Multi t/d
Metagenics Multigenics®
Metagenics Multigenics Chewable Orange
Metagenics Multigenics Intensive Care
Metagenics Multigenics Intensive Care without Iron
Metagenics Multigenics without Iron
Integrative Therapeutics Multiplex-1 No-Iron
Pure Encapsulations NeuroMood Pure Pack
Pure Encapsulations Nutrient 950®
Pure Encapsulations Nutrient 950®
Pure Encapsulations Nutrient 950®
Pure Encapsulations Nutrient 950® A without Copper & Iron
Pure Encapsulations Nutrient 950® with NAC
Pure Encapsulations Nutrient 950® with Vitamin K
Pure Encapsulations Nutrient 950® without Copper, Iron & Iodine
Pure Encapsulations Nutrient 950® without Iron
Pure Encapsulations Nutrient 950® without Iron
Integrative Therapeutics Nutrivitamin No-Iron
Pure Encapsulations O.N.E.™ Multivitamin
Pure Encapsulations O.N.E.™ Multivitamin
Pure Encapsulations O.N.E.™ Multivitamin
Designs For Health OcuForce™
Designs For Health PaleoCleanse Plus™
Designs For Health PaleoCleanse Plus™
Designs For Health PaleoCleanse Plus™ Detox Program
Designs For Health PaleoCleanse Plus™Chocolate Detox Kit
Designs For Health PaleoMeal®
Designs For Health PaleoMeal®
Integrative Therapeutics Physicians Elemental Diet Dextrose Free
Integrative Therapeutics Physician's Elemental Diet
Integrative Therapeutics Physician's Elemental Diet
Integrative Therapeutics Physicians Elemental Diet Kit
Metagenics PhytoMulti™ Multivitamin
Metagenics PhytoMulti With Iron
Metagenics PhytoMulti Without Iron
Metagenics PhytoMultivitamin
Designs For Health Plant Protein Cleanse
Designs For Health Plant Protein Cleanse Plus™ 570g
Metagenics PlusOne® Daily Prenatal Packs
Pure Encapsulations Polyphenol Nutrients
Pure Encapsulations Polyphenol Nutrients
Douglas Laboratories Prenatal
Pure Encapsulations PreNatal Nutrients
Pure Encapsulations PreNatal Nutrients
Designs For Health Prenatal Pro™
Designs For Health Primal Multi™
Integrative Therapeutics ProThrivers Multivitamin
Pure Encapsulations PureGenomics® Multivitamin
Pure Encapsulations PureGenomics® UltraMultivitamin
Pure Encapsulations PureLean® Protein
Pure Encapsulations PurePals
Pure Encapsulations PurePals with Iron
Pure Encapsulations PureResponse™ Multivitamin
Vitabase Super Antioxidant Formula
Integrative Therapeutics Testosterone Formula
Pure Encapsulations Thyroid Support Complex
Designs For Health Thyroid Synergy™
Metagenics Thyrosol
Designs For Health Twice Daily Essential Packets
Designs For Health Twice Daily Multi™
Designs For Health Twice Daily Multi™
Designs For Health Twice Daily Multi™
Designs For Health Ultimate Antiox Full Spectrum
Metagenics Ultra Glucose Control® Chocolate
Metagenics Ultra Glucose Control Chocolate
Metagenics Ultra Glucose Control Vanilla
Metagenics Ultra Glucose Control Vanilla
Douglas Laboratories Ultra Preventive
Douglas Laboratories Ultra Preventive
Douglas Laboratories Ultra Preventive ® 2 Daily
Douglas Laboratories Ultra Preventive 50+ -EZ Swallow
Douglas Laboratories Ultra Preventive ®-EZ Swallow
Douglas Laboratories ULTRA PREVENTIVE® III W/COPPER
Douglas Laboratories Ultra Preventive ® Kids Grape Flavor
Douglas Laboratories Ultra Preventive ® Kids Orange Flavor
Douglas Laboratories Ultra Preventive One Daily
Douglas Laboratories Ultra Preventive® X
Douglas Laboratories Ultra Protein Green
Pure Encapsulations Ultra Pure Pack
Metagenics UltraClear Detox Powder
Metagenics UltraClear Plus® Detox Powder
Metagenics UltraClear Plus Detox Powder Berry
Metagenics UltraClear Plus Detox Powder Pineapple/Banana
Metagenics UltraClear Plus pH Detox Powder Pineapple/Banana
Metagenics UltraClear Plus pH Detox Powder Vanilla
Metagenics UltraClear RENEW Detox Powder Berry
Metagenics UltraClear RENEW Detox Powder Chai
Metagenics UltraClear RENEW Detox Powder Vanilla
Pure Encapsulations UltraDetox 10-Day Pure Pack
Metagenics UltraGI Replenish® Chocolate
Metagenics UltraGI Replenish Chocolate
Metagenics UltraGI Replenish Vanilla
Metagenics UltraGI Replenish Vanilla
Metagenics UltraInflamX Plus 360°® Chocolate/Orange
Metagenics UltraInflamX Plus 360° Mango
Metagenics UltraInflamX Plus 360° Mango
Metagenics UltraInflamX Plus 360° Orange
Metagenics UltraInflamX Plus 360° Original Spice
Metagenics UltraInflamX Plus 360° Pineapple/Banana
Metagenics UltraInflamX Plus 360° Pineapple/Banana
Metagenics UltraMeal Advanced Protein® Dutch Chocolate
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Metagenics UltraMeal Advanced Protein Plain
Metagenics UltraMeal Cardio 360°® Pea/Rice Chocolate
Metagenics UltraMeal Cardio 360° Pea/Rice Vanilla
Metagenics UltraMeal® Daily Support Dutch Chocolate
Metagenics UltraMeal Daily Support Mixed Berry
Metagenics UltraMeal Rice Vanilla
Pure Encapsulations UltraNutrient®
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Pure Encapsulations VisionPro Nutrients
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Metagenics Wellness Essentials® Daily Packs
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Metagenics Wellness Essentials Men's Vitality Daily Packs
Metagenics Wellness Essentials Women's Daily Packs
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