Grade: B (Good Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Iodine	Oral mucositis
Grade: C (Unclear or Conflicting Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Aloe	Canker sores (aphthous stomatitis)
Beta-carotene	Oral leukoplakia
Black tea	Oral leukoplakia/ carcinoma
Bovine colostrum	Oral hygiene
Chamomile	Mucositis from cancer treatment (mouth ulcers/irritation)
Licorice	Apthous ulcers / canker sores
Perilla	Aphthous stomatitis (mouth ulcer or canker sore)
Propolis	Canker sores (aphthous ulcers)
Spirulina	Oral leukoplakia (pre-cancerous mouth lesions)
Turmeric	Oral leukoplakia
Usnea	Oral hygiene
Zinc	Stomatitis
Grade: D (Fair Negative Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Aloe	Mucositis
Traditional or Theoretical Uses which Lack Sufficient Evidence
Therapy	Specific therapeutic Use(s)
Amaranth oil	Canker sores
American pennyroyal	Mouth sores
Arnica	Aphthous ulcers
Astaxanthin	Canker sores
Bael fruit	Oral hygiene
Barberry	Stomatitis (mouth sores)
Bee pollen	Mouth sores
Bilberry	Oral ulcers
Bovine colostrum	Mucositis from cancer treatment
Bulbous buttercup	Mouth sores
Burdock	Canker sores
Calendula	Oral hygiene (oral cavity irrigation)
Cardamom	Mouth and throat inflammation
Chamomile	Canker sores
Clove	Mouth and throat inflammation
Dandelion	Aphthous ulcers
Eastern hemlock	Mouth and throat inflammation
Echinacea	Mouth sores
Fenugreek	Aphthous ulcers
Folate	Aphthous ulcers
Glyconutrients	Canker sores
Goldenseal	Canker sores
Green tea	Oral leukoplakia
Green-lipped mussel	Mucositis (inflammation of mucus membranes of the digestive tract)
Gumweed	Mouth and throat inflammation
Holy basil	Canker sores
Iron	Canker sores
Lactobacillus acidophilus	Canker sores
Lovage	Aphthous ulcers (canker sores)
Morus nigra	Mouth and throat inflammation
Oregano	Canker sores (topically)
Pantothenic acid	Stomatitis
Peppermint	Inflammation of oral mucosa
Red clover	Canker sores
Riboflavin	Canker sores
Rutin	Mucositis
Stinging nettle	Mouth sores
Sweet almond	Chapped lips
Tea tree oil	Canker sores
Thiamin	Canker sores
Thyme	Stomatitis (mouth sores)
Thymus extract	Aphthous stomatitis (RAS
Tribulus	Stomatitis (mouth sores)
Usnea	Oral hygiene
Vitamin B12	Mouth and throat inflammation (atrophic glossitis)
Vitamin E	Mucositis
Vitamin O	Canker sores
Watercress	Canker sores
White water lily	Canker sores
Yellow dock	Mouth sores