Evidence supporting the use of: Citrus (unspecified)
For the health condition: Colds (prevention)

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Synopsis

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

Citrus fruits, such as oranges, lemons, and grapefruits, have a long history of traditional use in the prevention and treatment of colds. This traditional use primarily stems from their high vitamin C content and refreshing qualities. Historically, citrus was valued in many cultures for its perceived ability to boost immunity and relieve symptoms of respiratory infections, likely due to the popularity of remedies such as hot lemon drinks and citrus-based tonics. Scientific studies on vitamin C (ascorbic acid), a key nutrient in citrus, have produced mixed results regarding cold prevention. While some research suggests regular vitamin C supplementation may slightly reduce the duration and severity of colds, especially in individuals under physical stress, there is little evidence that it significantly prevents the onset of common colds in the general population. It is important to note that the amount of vitamin C needed for these modest effects often exceeds what is typically obtained from dietary citrus alone. Overall, while the tradition of using citrus for colds is well-established and somewhat supported by the role of vitamin C in immune function, scientific validation for cold prevention specifically through citrus consumption is limited. The evidence does not strongly support the use of citrus as an effective preventive measure against colds, though it remains a popular and generally safe traditional remedy.

More about Citrus (unspecified)
More about Colds (prevention)

Other ingredients used for Colds (prevention)

allspice
aloe vera
green chiretta
anthocyanins
arabinogalactan
astragalus
waterhyssop
bamboo
basil
berry flavor
beta-pinene
Beta-Glucan
black cumin
black currant
black pepper
black tea
blackberry
bасора
camu camu
capsaicinoids
caterpillar mushroom
chamomile
chlorella
cinnamon
citrus bioflavonoids
citrus oil
citrus sinensis (proprietary)
clove
coconut milk
colostrum
turmeric
echinacea purpurea
elderberry
forsythia
garlic bulb
ginger
grape
greek mountain tea
onion
green tea
greens blend (proprietary)
Indian tinospora
honeysuckle
lactobacillus brevis
lemon
licorice root
lovage
marshmallow
moringa
mustard seed
nettle
spruce
orange
oregano
oregon grape
pear
phenolic acids
pineapple
plantain
pollen
pomegranate
pumpkin
quercetin
reishi mushroom
rhizome
rose hips
rosemary
sage
schizonepeta
scrophularia root
sphaeranthus indicus
thyme
vegetable blend (proprietary)
vitamin C
vitamin D
seaweed
yeast
zinc
sarsaparilla
squawvine
tangerine
xanthium (cockleburs)
papaya
mugwort
nut grass
alpinia galangal
ferula assafoetida
pistacia integerrima gall
blackboard tree
peony
buckthorn
lemongrass
yerba santa
chrysanthemum
siler root
flowering quince
sweet flag
hyacinth bean
eucalyptus
menthol oil
aster root
goji berry
paw paw
algae
indigo leaves
cayenne pepper
Aralia
Avens
Apple Cider Vinegar
Agastache
Ardisia
acacia
Allicin
Abrus
Amomum
Asarum heterotropoides
Ajuga
Andrographolide
American Liverleaf
Asam gelugor
Andrographis
Asteracea
Allyl Sulfide
allyl isothiocyanate
Alliin
Allium tuberosum
Amor seco
Arani
Atractylone
Black Seed
Bermuda Grass
Baikal Skullcap
Baphicacanthus cusia
Bidens pilosa
Blackthorn
Blepharis
Balsam
Bishop's Weed
Bayleaf
Black galingale
Bitter Grass
Bael
berry
Baccharoides anthelmintica
Bioflavonoids
black salt
Bee products
Black Nightshade
Bassia scoparia
Borneol
Camellia sinensis
Coconut
Chinese Silkvine
Curry leaf
Cinnamomum
Coriander
Capillary Artemisia
Citron
Curcuminoid
Citrus
Capsaicin
Chinese Raisintree
Chlorophytum
Cowherb
Cistus
Cinnamaldehyde
Costus
Celosia
Currant
Dianthus
Dragonhead
Dodeca-2E, 4E, 8Z, 10Z/Etetraenoic Acid Isobutylamide
European Elder
Echinacea
Elder
Essential Oil Blend
European-Five Finger Grass
Flavonoids
Goldthread
Garlic
Mustard
Sandalwood
Sumac
Vervain

Products containing Citrus (unspecified)

We currently have no products on Vitabase that contain this ingredient.