Grade: A (Strong Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Alpha-lipoic acid	Diabetes
Grade: B (Good Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Beta-glucan	Diabetes
Chromium	Hypoglycemia (low blood sugar)
Ginseng	Type 2 diabetes (adult-onset)
Gymnema	Diabetes
Stevia	Hyperglycemia
Grade: C (Unclear or Conflicting Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Alfalfa	Diabetes
Aloe	Diabetes (type 2)
Amylase inhibitors	Diabetes
Arabinogalactan	Hyperglycemia (high blood sugar levels)
Arabinoxylan	Diabetes (type 2)
Arginine	Diabetes (Type 1/Type 2)
Ashwagandha	Diabetes (type 2)
Astragalus	Diabetes
Banaba	Diabetes
Barley	High blood sugar/glucose intolerance
Berberine	Diabetes (type 2)
Bilberry	Diabetes mellitus
Biotin	Diabetes mellitus (type 2)
Bitter melon	Diabetes mellitus (hypoglycemic agent)
Black tea	Diabetes
Burdock	Diabetes
Chromium	Diabetes mellitus
Chrysanthemum	Diabetes
Cinnamon	Diabetes (type 2)
Dandelion	Diabetes
Devil's club	Diabetes
Evening primrose oil	Diabetes
Fenugreek	Diabetes mellitus type 1
Fig	Diabetes (Type 1)
Flaxseed and flaxseed oil	Diabetes (flaxseed, not flaxseed oil)
Gotu kola	Diabetic microangiopathy
Green tea	Diabetes
Holy basil	Diabetes mellitus
Honey	Diabetes mellitus type 2
Jackfruit	High blood sugar/glucose intolerance
Kudzu	Diabetes
L-Carnitine	Diabetes mellitus
Lutein	Diabetes mellitus
Maitake mushroom	Diabetes
Milk thistle	Diabetes (in patients with cirrhosis)
Myrcia	Diabetes (type 2)
Nopal	Diabetes
Onion	Diabetes
Psyllium	Hyperglycemia (high blood sugar levels)
Pycnogenol	Diabetes
Red clover	Diabetes
Red yeast rice	Diabetes
Reishi mushroom	Diabetes mellitus type 2
Safflower	Diabetes mellitus type 2
Seaweed, kelp, bladderwrack	Diabetes
Soy	Type 2 diabetes
Spirulina	Diabetes
Taurine	Diabetes mellitus (type 2)
Thymus extract	Diabetes
Vitamin D	Diabetes (type 1/type 2)
Vitamin E	Diabetes mellitus
White horehound	Diabetes
Zinc	Diabetes (type 1 and type 2)
Grade: D (Fair Negative Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Coenzyme Q10	Diabetes
Garlic	Diabetes
Omega-3 fatty acids, fish oil, alpha-linolenic acid	Diabetes
Selenium	Diabetes (prevention)
Traditional or Theoretical Uses which Lack Sufficient Evidence
Therapy	Specific therapeutic Use(s)
5-HTP	Diabetes
Abuta	Diabetes
Acacia	Diabetes
Acerola	Diabetes
Aconite	Diabetes mellitus
Adrenal extract	Hypoglycemia (low blood sugar)
African wild potato	Diabetes
Agave	Diabetes
Agrimony	Diabetes (high blood sugar)
Algin	Diabetes
Alpinia	Diabetes
Amaranth oil	Diabetes
Andrographis paniculata Nees, Kan Jang®, SHA-10	Diabetes
Arnica	Diabetes
Asparagus	Diabetes
Astaxanthin	Diabetes
Bael fruit	Diabetes
Bamboo	Diabetes
Barberry	Diabetes
Barley	Diabetes
Bay leaf	Diabetes
Beta-carotene	Diabetes
Betaine anhydrous	High blood sugar/glucose intolerance
Betony	Hyperglycemia (high blood sugar)
Bitter orange	Diabetes
Boron	Diabetes
Bovine colostrum	Diabetes
Buchu	Diabetes
Bupleurum	Diabetes
Cajeput oil	Diabetes
Calamus	Diabetes
Calendula	Diabetes
Capers	Diabetes
Carob	Diabetes
Carrot	Diabetes
Cat's claw	Diabetes
Chamomile	Hypoglycemia (low blood sugar)
Chaparral	Diabetes
Chia	Diabetes
Chicory	Diabetes
Chitosan	Diabetes mellitus
Chlorophyll	Diabetes
Chondroitin sulfate	Hyperglycemia/diabetes
Clove	Diabetes
Codonopsis	Diabetes
Coleus	Diabetes
Colloidal silver	Diabetes
Cordyceps	Diabetes
Couch grass	Diabetes
Cowhage	Diabetes
Creatine	Diabetes
Damiana	Diabetes mellitus
Danshen	Diabetes
Devil's claw	Diabetes
DHEA	Diabetes
Dogwood	Diabetes
Dong quai	Diabetes
Elderberry and elder flower	Diabetes
Elecampane	Diabetes
Essiac®	Diabetes
Eucalyptus oil	Diabetes
Folate	Diabetes (type 2)
Fo-ti	Diabetes
Gamma oryzanol	Diabetes
Garcinia	Diabetes
Germanium	Diabetes
Ginger	Low blood sugar
Ginkgo	Diabetes
Glucosamine	Diabetes
Glyconutrients	Diabetes
Goldenrod	Diabetes
Goldenseal	Diabetes mellitus
Grape seed	Diabetes
Grapefruit	Diabetes
Guggul	Diabetes
Hawthorn	Diabetes insipidus
Heartsease	Hyperglycemia (high blood sugar levels)
Honey	Hyperglycemia (high blood sugar)
Hops	Diabetes
Horsetail	Diabetes
Hydrangea	Hyperglycemia (high blood sugar levels)
Hydrazine sulfate	Impaired glucose tolerance
Hyssop	Diabetes mellitus type 1
Jequirity	Diabetes
Jiaogulan	Diabetes
Juniper	Hypoglycemia (low blood sugar)
Katuka	Diabetes
Ladies mantle	Diabetes
Lavender	Diabetes
Lemongrass	Diabetes
Licorice	Diabetes
Lycopene	Diabetes mellitus
Macrobiotic diet	Diabetes
Mangosteen	Diabetes
Meadowsweet	Diabetes
Morus nigra	Diabetes
MSM	Diabetes mellitus
Neem	Diabetes
Niacin	Low blood sugar
Noni	Diabetes
Nopal	Hyperglycemia (high blood sugar)
Pantothenic acid	Hypoglycemia
Perilla	Diabetes
Propolis	Hyperglycemia (high blood sugar levels)
Quercetin	Diabetes mellitus
Rehmannia	Diabetes mellitus type 2
Rhodiola	Diabetes
Riboflavin	Diabetes
Rosemary	Hyperglycemia
Saccharomyces boulardii	Diabetes
Sage	Diabetes
Saw palmetto	Diabetes
Shiitake	Diabetes
Stinging nettle	Diabetes
Tamarind	Diabetes
Taurine	Diabetes (prevention)
Thiamin	Diabetes
Turmeric	Diabetes
Uva ursi	Diabetes
Vitamin A	Diabetes
Vitamin B12	Diabetes
Vitamin C	Diabetes
Vitamin O	Diabetes mellitus
Wheatgrass	Diabetes
White oak	Diabetes mellitus
Wild yam	Low blood sugar
Willow bark	Diabetes
Yarrow	Diabetes