Evidence supporting the use of: Rosemary
For the health condition: Colds (antiviral)

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Synopsis

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

Rosemary (Rosmarinus officinalis) has a long history of use in traditional medicine for a variety of ailments, including respiratory tract infections such as colds. This use is primarily based on folk remedies in Mediterranean and Middle Eastern cultures, where rosemary has been infused into teas or used in steam inhalations. The traditional rationale is often tied to its aromatic properties and anecdotal observations of symptom relief.

From a scientific perspective, laboratory studies have identified certain compounds in rosemary—such as rosmarinic acid, carnosic acid, and essential oils (including 1,8-cineole)—that possess antimicrobial and antiviral activity in vitro. Some research has shown that these constituents can inhibit the replication of certain viruses or modulate immune responses. However, clinical trials specifically evaluating rosemary’s effectiveness for preventing or treating the common cold in humans are lacking.

Overall, while there is some preliminary scientific basis for the antiviral and anti-inflammatory effects of rosemary, its use for colds is predominantly justified by traditional practice, with limited and indirect scientific evidence. For this reason, the evidence rating is 2: some laboratory support, but insufficient clinical validation for this specific application.

More about rosemary
More about Colds (antiviral)

Other ingredients used for Colds (antiviral)

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Aloe vera
anthocyanins
arabinogalactan
Waterhyssop
basil
berry flavor
beta-pinene
bilberry
bisabolol
black cumin
black currant
black garlic
blueberry
Indian frankincense
cat's claw
catechins
cinnamon
citrus bioflavonoids
citrus oil
clove
turmeric
echinacea purpurea
elderberry
epigallocatechin gallate (EGCG)
forsythia
garlic bulb
ginger
green tea
honeysuckle
knotweed
Lactoferrin
Lactoperoxidase
lauric acid
lemon
licorice root
luteolin
Mastic gum
Monolaurin
oregano
perilla
phellodendron amurense
phenolic compounds
pineapple
pomegranate
quercetin
resveratrol
rhizome
rosemary
schizonepeta
shiitake mushroom
spirulina
thyme
vitamin C
vitamin D
Wasabi
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xanthium (cockleburs)
hyssop
papaya
Mugwort
Neem tree
nut grass
alpinia galangal
commiphora
buckthorn
pau d'arco
Morus
lemongrass
chrysanthemum
ganoderma
Morinda
oriental arborvitae
zanthoxylum
fulvic acid
goji berry
indigo leaves
soursop
ash
Agastache
Autumn elaeagnus
alpha-terpineol
apigenin
Allicin
anamu
AHCC
andrographolide
amentoflavone
Asam gelugor
Acacetin
Aureobasidium pullulans
Andrographis
Asteraceae
Allyl sulfide
Allyl isothiocyanate
Alliin
Allium tuberosum
atractylone
bee propolis
black seed
Baikal Skullcap
Baphicacanthus cusia
Bidens pilosa
Broussonetia
balsam
bishop\'s weed
black galingale
bitter grass
bee hive
Basidiomycota
berry
bee products
black nightshade
Bombax
baicalin
Bassia scoparia
borneol
caffeic Acid
Camellia sinensis
coconut
curry leaf
Chinese mountain ant
Clerodendrum trichotomum
coriolus mushroom
carrageenan
carvacrol
capillary artemisia
citron
Citrus
Chinese raisintree
cowherb
Cistus
common madia
cinnamaldehyde
costus
Celosia
Chondrus
deoxyandrographolides
David\'s milkberry
European Elder
Echinacea
Elder
essential oil blend
fruit
flavonoids
fungus
flavonones
flavones
goldthread
glyceryl monolaurate
gamma-terpinene
garlic
Gallesia
gallotannin
Glycyrrhetinic acid
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Himalaya berry
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Lomatium
lichen
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ligustilides
luffa
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labrador tea
liverwort
Ligusticum
Mineral ascorbate
Melia
Monoterpenes
mangostin
Mushroom
Neoandrographolides
Naphthoquinones
Nymphaea nouchali
Osha
Osmanthus
Oxystelma
Propolis
Phellodendron
Phyllanthus
Phenylpropanoids
Phaeophyceae
Paris polyphylla
Piper nigrum
Patrinia
Polygonum
Petiveria
ravinsara
Sophora
Smartweed
Solanaceae
Sesquiterpenes
Salvia
Solanum indicum
Sambucus nigra
Shogaol
Sandalwood
saponins
Shikimic Acid
Terpenoids
Tea
Thymus
Tamaricaceae
Triterpenes
Tayuya
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Tagetes
Thiosulfinate
Visnea Mocanera
Violet
Verbascoside
Viola
White Tea
Xanthorrhizol
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