Evidence supporting the use of: Slippery elm bark
For the health condition: Canker Sores
Synopsis
Source of validity: Traditional
Rating (out of 5): 2
Slippery elm bark (Ulmus rubra) has a long history of use in North American traditional herbal medicine, particularly among Indigenous peoples and later by European settlers. Its inner bark contains mucilage—a gel-like substance that becomes slippery when mixed with water. This property has led to its use as a soothing demulcent for mucous membranes, including those of the mouth and throat. For canker sores (aphthous ulcers), slippery elm bark powder or lozenges have been used as a topical agent to coat and protect the sore, potentially reducing pain and irritation while promoting healing. However, while this traditional use is well-documented in herbal texts and folk medicine sources, there is a lack of high-quality scientific studies specifically evaluating slippery elm’s efficacy for canker sores. Evidence is mainly anecdotal or based on its mucilaginous, soothing action rather than clinical trials. No major health organizations recommend it as a standard treatment for canker sores. While slippery elm is generally considered safe when used short-term and topically, individuals should consult healthcare providers before use, especially if pregnant or taking medication. In summary, the use of slippery elm bark for canker sores is primarily supported by historical and traditional practices, with minimal scientific evidence directly validating its effectiveness for this specific condition.
Other ingredients used for Canker Sores
aloe verabamboo
basil
myrobalan
betel
bisabolol
blackberry
bасора
chamomile
clove
coating
coconut milk
Coptis chinensis
curcumin
dog rose
folate
ginger
horseradish
lactobacillus reuteri
lactobacillus salivarius
lactoperoxidase
lemon
licorice root
magnesium
milk
mustard seed
spruce
omega-3 fatty acids
oregano
oregon grape
parsley
peppermint oil
pineapple
plantain
rhizome
sage
schizonepeta
scrophularia root
slippery elm bark
sphaeranthus indicus
thyme
triphala
vitamin B12
vitamin C
zinc
yellow root
squawvine
chickweed
typhonium
xanthium (cockleburs)
papaya
neem tree
nut grass
clerodendrum indicum
ferula assafoetida
commiphora
blackboard tree
boxthorne
buckthorn
lemongrass
myrrh
siler root
hyacinth bean
morinda
oriental arborvitae
trichosanthes
zanthoxylum
sheep's sorrel
eucalyptus
menthol oil
aster root
paw paw
herbal blend (proprietary)
indigo leaves
Ash
Avens
Agastache
Ardisia
acacia
Agrimony
Achyranthes
Anamu
American Liverleaf
Agrimonia pilosa
Asteracea
Acemannan
Amor seco
Arisaema
Bee Propolis
Bermuda Grass
Blue Flag
Bai Ji
Baphicacanthus cusia
Bidens pilosa
Blackthorn
Bicarbonate
Balsam
Bishop's Weed
Bayleaf
Black galingale
Barleria
Bitter Grass
Bloodroot
Banyan
Bee products
Black Nightshade
Bombax
Borassus aethiopum
Bacteria
Bassia scoparia
Borneol
Coconut
Curry leaf
Calendula
Clerodendrum trichotomum
Chlorophyllin
Carvacrol
Capillary Artemisia
Citron
Capsaicin
Cajuput
Chinese Raisintree
Cowherb
Centipeda
Cistus
Corktree
Collinsonia
Copaiba Oil
Celosia
Chrysophanics
Dianthus
DIVI-DIVI
Dragonhead
David's Milkberry
European Elder
Eupolyphaga sinensis
Eclipta
Essential Oil Blend
Euphorbia
European-Five Finger Grass
Embelia
Eugenol
Flueggea suffruticosa
Fuchsia
Fang-Feng
Ficus simplicissima
Frankincense
Gnaphalium
Glycolic acid
Guava
Giant Blazingstar
Glechoma hederacea
Gallotannin
Galangal
Guazuma ulmifolia
Little ironweed
Mustard
Mallow
Oak
Rose
Snakeroot (unspecified)
Sandalwood
Sumac
Other health conditions supported by slippery elm bark
Abdominal PainAbrasions
Acid Indigestion
Anal Fistula or Fissure
Appetite (deficient)
Asthma
Bladder (ulcerated)
Bladder Infection
Burns and Scalds
Canker Sores
Colitis
Constipation (adults)
Constipation (children)
Diarrhea
Digestion (poor)
Duodenal Ulcers
Dysentery
Dyspepsia
Eczema
Emphysema
Enteritis
Gas and Bloating
Gastritis
Giardia
Gingivitis
Glands (swollen lymph)
Halitosis
Hemorrhoids
Hiatal Hernia
Indigestion
Inflammation
Inflammatory Bowel Disorders
Interstitial Cystitis
Irritable Bowel Syndrome
Itching
Itching (rectal)
Itching Ears
Kidney Infection
Laryngitis
Leaky Gut Syndrome
Lesions
Leucorrhea
Lymph Nodes or Glands (swollen)
Overacidity
Parasites (general)
Pertussis
Pets (supplements for)
Pleurisy
Pneumonia
Poison Ivy or Oak
Poisoning (general)
Prolapsed Colon
Prolapsed Uterus
Rashes and Hives
Rheumatoid Arthritis
Scratches and Abrasions
Sinus Infection
Sore Throat
Ulcers
Wounds and Sores
Products containing slippery elm bark
Nature's Sunshine CleanStart Mild
Nature's Sunshine Cellular Detox (Formerly All Cell Detox)
Nature's Sunshine CA (ATC)
Nature's Sunshine CC-A
Nature's Sunshine CC-A With Yerba Santa Combination Extract
Nature's Sunshine CLT-X
Nature's Sunshine E-Tea
Nature's Sunshine Everybody’s Fiber
Nature's Sunshine Focus Attention
Nature's Sunshine Gentle Move
Nature's Sunshine Herbal Pumpkin
Nature's Sunshine Intestinal Soothe and Build
Nature's Sunshine Joint Support
Nature's Sunshine LB Extract
Nature's Sunshine Marshmallow & Fenugreek
Nature's Sunshine Para-Cleanse
Nature's Sunshine PLS II
Nature's Sunshine Pro-Pancreas Formula
Nature's Sunshine Slippery Elm
Nature's Sunshine Slippery Elm
Nature's Sunshine Stomach Comfort (Chewable)
Nature's Sunshine Structural System (30 Day Program)
Nature's Sunshine Tiao He Cleanse