Evidence supporting the use of: Monoterpenes
For the health condition: Congestion (bronchial)

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Synopsis

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

Monoterpenes, a class of volatile organic compounds commonly found in essential oils such as eucalyptus, pine, and peppermint, have been studied for their effects on bronchial congestion. The most notable monoterpene in this context is eucalyptol (1,8-cineole), which has demonstrated mucolytic and anti-inflammatory properties. Clinical trials have shown that eucalyptol can reduce sputum viscosity and improve mucus clearance in patients with chronic bronchitis and COPD. For example, a randomized, double-blind, placebo-controlled trial (Worth et al., 2009, Respiratory Research) found that patients receiving eucalyptol experienced improved lung function and reduced exacerbations. Other monoterpenes, such as menthol, are widely used in over-the-counter decongestant products for their ability to create a subjective sensation of improved airflow, although objective measures of airway patency are less consistent. The mechanism of action is thought to involve modulation of airway secretions, mild bronchodilation, and local anti-inflammatory effects. While not all monoterpenes have robust clinical data, the group as a whole—especially eucalyptol—has sufficient scientific support for use in alleviating bronchial congestion, though evidence is moderate rather than strong. Thus, current use is justified by scientific findings, but more large-scale studies are needed to strengthen the evidence base.

More about Monoterpenes
More about Congestion (bronchial)

Other ingredients used for Congestion (bronchial)

allspice
aloe vera
alpha-pinene
waterhyssop
basil
benegut perilla (proprietary)
beta-pinene
black cumin
black currant
black pepper
Indian frankincense
bupleurum falcatum
bасора
caffeine
capsaicinoids
chamomile
chen pi
Chinese salvia root
clove
Coptis chinensis
cowage seed
turmeric
echinacea purpurea
elderberry
ethanol
forsythia
garlic bulb
ginger
grape
onion
green tea
horseradish
Indian tinospora
licorice root
lovage
mustard seed
n-acetyl-cysteine (NAC)
spruce
ophiopogon root
oregano
perilla
phellodendron amurense
platycodon root
pomegranate
quercetin
rosemary
scrophularia root
shiitake mushroom
spearmint leaf
sphaeranthus indicus
thyme
vitamin C
yellow root
squawvine
boneset
mullein
hyssop
cardamom
atractylodes
capsicum
mugwort
malabar nut
alpinia galangal
ferula assafoetida
inula racemosa
anise
blackboard tree
lingusticum wallichii
buckthorn
fritillaria
lemongrass
yerba santa
elecampane
coltsfoot
chrysanthemum
juniper berries
siler root
sweet flag
oriental arborvitae
trichosanthes
zanthoxylum
eucalyptus
menthol oil
aster root
abies spectabilis
horehound
Sichuan pepper
cayenne pepper
soursop
Alcohol
Agastache
Anamarrhena
Alpha-terpineol
Ardisia
Angelica
Allicin
Asarum heterotropoides
Aconite
Asafoetida
Andrographolide
Adrenergic amines
Asteracea
Allyl Sulfide
Adenophora
Allium tuberosum
Amor seco
Arisaema
Asarum sieboldii
Alantolactone
Atractylone
Black Seed
Baikal Skullcap
Baphicacanthus cusia
Bidens pilosa
Black spruce
Bicarbonate
Blepharis
Balsam
Bishop's Weed
Boswellic Acid
Bayleaf
Black galingale
Barleria
Bitter Grass
Bisabolene
Bael
berry
Boswellia
Baccharoides anthelmintica
black salt
Bee products
Bombax
Buddha's Hand
Borage
Bupleurum
Balloon Flower
Belamcanda
Borneol
Camellia sinensis
Chinese Silkvine
Curry leaf
Chinese Mountain Ant
Clerodendrum trichotomum
Citrus
Cineole
Cajuput
Chinese Raisintree
Cowherb
Curcumen
Cistus
Curcuma
Calamus
Cinnamaldehyde
Carthamus
Culvers Root
Chondrus
Dragonhead
Diterpenes
Ephedra
European Elder
Eclipta
Echinacea
Elder
Essential Oil Blend
Ephedrine
Galangal
Ivy
Mustard
Mallow
Sandalwood
Vervain

Products containing Monoterpenes

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