Browse dietary supplements and herbal remedies to learn about their effectiveness, usual dosage, and drug interactions.
A
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Acai
National Center for Complementary and Integrative Health
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Activated Charcoal
Natural Medicines Comprehensive Database
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Alfalfa
Natural Medicines Comprehensive Database
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Aloe Vera
National Center for Complementary and Integrative Health -
Alpha-Lipoic Acid
Natural Medicines Comprehensive Database
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American Ginseng
Natural Medicines Comprehensive Database
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Apple Cider Vinegar
Natural Medicines Comprehensive Database
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Arnica
Natural Medicines Comprehensive Database
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Ashwagandha
Natural Medicines Comprehensive Database
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Asian Ginseng
National Center for Complementary and Integrative Health
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Astragalus
National Center for Complementary and Integrative Health
B
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Bacillus Coagulans
Natural Medicines Comprehensive Database
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Bee Pollen
Natural Medicines Comprehensive Database
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Belladonna
Natural Medicines Comprehensive Database
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Berberine
Natural Medicines Comprehensive Database
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Beta-Carotene
Natural Medicines Comprehensive Database
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Bifidobacterium animalis subsp. lactis
Natural Medicines Comprehensive Database
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Bilberry
National Center for Complementary and Integrative Health
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Biotin
Natural Medicines Comprehensive Database
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Bitter Melon
Natural Medicines Comprehensive Database
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Bitter Orange
National Center for Complementary and Integrative Health
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Black Cohosh
National Center for Complementary and Integrative Health
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Black Psyllium
Natural Medicines Comprehensive Database
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Black Seed
Natural Medicines Comprehensive Database
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Black Tea
Natural Medicines Comprehensive Database
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Blessed Thistle
Natural Medicines Comprehensive Database
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Blond Psyllium
Natural Medicines Comprehensive Database
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Blueberry
Natural Medicines Comprehensive Database
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Blue-Green Algae
Natural Medicines Comprehensive Database
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Boron
Natural Medicines Comprehensive Database
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Butterbur
National Center for Complementary and Integrative Health
C
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Calcium
National Institutes of Health, Office of Dietary Supplements
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Calendula
Natural Medicines Comprehensive Database
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Cancell/Cantron/Protocel
National Cancer Institute
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Cannabidiol (CBD)
Natural Medicines Comprehensive Database
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Capsicum
Natural Medicines Comprehensive Database
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Cartilage (Bovine and Shark)
National Cancer Institute
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Cascara Sagrada
Natural Medicines Comprehensive Database
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Cat’s Claw
National Center for Complementary and Integrative Health
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Chamomile
National Center for Complementary and Integrative Health
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Chasteberry
National Center for Complementary and Integrative Health
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Chondroitin Sulfate
Natural Medicines Comprehensive Database
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Chromium
National Institutes of Health, Office of Dietary Supplements
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Cinnamon
National Center for Complementary and Integrative Health
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Clove
Natural Medicines Comprehensive Database
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Coconut Oil
Natural Medicines Comprehensive Database
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Coconut Water
Natural Medicines Comprehensive Database
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Cod Liver Oil
Natural Medicines Comprehensive Database
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Coenzyme Q10
National Cancer Institute
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Collagen Peptides
Natural Medicines Comprehensive Database
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Colloidal Silver: What You Need to Know
National Center for Complementary and Integrative Health
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Cranberry
National Center for Complementary and Integrative Health
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Creatine
Natural Medicines Comprehensive Database
D
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Dandelion
National Center for Complementary and Integrative Health
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Deer Velvet
Natural Medicines Comprehensive Database
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Devil’s Claw
Natural Medicines Comprehensive Database
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DHEA
Natural Medicines Comprehensive Database
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Dong Quai
Natural Medicines Comprehensive Database
E
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Echinacea
National Center for Complementary and Integrative Health
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Elderberry
National Center for Complementary and Integrative Health
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Eleuthero
Natural Medicines Comprehensive Database
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Ephedra
National Center for Complementary and Integrative Health
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Essiac/Flor Essence
National Cancer Institute
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Eucalyptus
Natural Medicines Comprehensive Database
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European Mistletoe
National Center for Complementary and Integrative Health
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Evening Primrose Oil
National Center for Complementary and Integrative Health
F
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Fenugreek
National Center for Complementary and Integrative Health
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Feverfew
National Center for Complementary and Integrative Health
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Flaxseed and Flaxseed Oil
National Center for Complementary and Integrative Health
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Folate
National Institutes of Health, Office of Dietary Supplements
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Folic Acid
Natural Medicines Comprehensive Database
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Fucus Vesiculosus
Natural Medicines Comprehensive Database
G
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Garlic
National Center for Complementary and Integrative Health
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Gelatin
Natural Medicines Comprehensive Database
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Ginger
National Center for Complementary and Integrative Health
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Ginkgo
National Center for Complementary and Integrative Health
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Glucosamine
Natural Medicines Comprehensive Database
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Goji
Natural Medicines Comprehensive Database
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Goldenseal
National Center for Complementary and Integrative Health
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Grape
Natural Medicines Comprehensive Database
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Grape Seed Extract
National Center for Complementary and Integrative Health
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Grapefruit
Natural Medicines Comprehensive Database
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Green Coffee
Natural Medicines Comprehensive Database
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Green Tea
National Center for Complementary and Integrative Health
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Guarana
Natural Medicines Comprehensive Database
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Gymnema
Natural Medicines Comprehensive Database
H
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Hawthorn
National Center for Complementary and Integrative Health
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Hibiscus sabdariffa
Natural Medicines Comprehensive Database
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Honey
Natural Medicines Comprehensive Database
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Hoodia
National Center for Complementary and Integrative Health
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Hops
Natural Medicines Comprehensive Database
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Horny Goat Weed
Natural Medicines Comprehensive Database
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Horse Chestnut
National Center for Complementary and Integrative Health
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Horsetail
Natural Medicines Comprehensive Database
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Hydrazine Sulfate
National Cancer Institute
I
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Iodine
National Institutes of Health, Office of Dietary Supplements
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Iron
National Institutes of Health, Office of Dietary Supplements
K
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Kava
National Center for Complementary and Integrative Health
L
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Lactobacillus acidophilus
Natural Medicines Comprehensive Database
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Laetrile/Amygdalin
National Cancer Institute
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L-Arginine
Natural Medicines Comprehensive Database
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Lavender
National Center for Complementary and Integrative Health
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Licorice Root
National Center for Complementary and Integrative Health
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Lipase
Natural Medicines Comprehensive Database
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L-Tryptophan
Natural Medicines Comprehensive Database
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Lutein
Natural Medicines Comprehensive Database
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Lycopene
Natural Medicines Comprehensive Database
M
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Maca
Natural Medicines Comprehensive Database
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Magnesium
National Institutes of Health, Office of Dietary Supplements
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Manganese
National Institutes of Health, Office of Dietary Supplements
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Mangosteen
Natural Medicines Comprehensive Database
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Maritime Pine
Natural Medicines Comprehensive Database
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Melatonin
Natural Medicines Comprehensive Database
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Methylsulfonylmethane (MSM)
Natural Medicines Comprehensive Database
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Milk Thistle
National Cancer Institute
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Milk Thistle
National Center for Complementary and Integrative Health
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Mistletoe Extracts
National Cancer Institute
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Mugwort
National Center for Complementary and Integrative Health
N
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N-Acetyl Cysteine (NAC)
Natural Medicines Comprehensive Database
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Niacin
National Institutes of Health, Office of Dietary Supplements
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Niacinamide
Natural Medicines Comprehensive Database
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Noni
National Center for Complementary and Integrative Health
O
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Oats
Natural Medicines Comprehensive Database
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Olive
Natural Medicines Comprehensive Database
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Omega-3 Supplements: In Depth
National Center for Complementary and Integrative Health
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Omega-6 Fatty Acids
Natural Medicines Comprehensive Database
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Oregano
Natural Medicines Comprehensive Database
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Oscillococcinum
Natural Medicines Comprehensive Database
P
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Palm Oil
Natural Medicines Comprehensive Database
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Panax Ginseng
Natural Medicines Comprehensive Database
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Pantothenic Acid
National Institutes of Health, Office of Dietary Supplements
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Papaya
Natural Medicines Comprehensive Database
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Pau D’Arco
Natural Medicines Comprehensive Database
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PC-SPES
National Cancer Institute
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Peanut Oil
Natural Medicines Comprehensive Database
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Pennyroyal
Natural Medicines Comprehensive Database
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Peppermint Oil
National Center for Complementary and Integrative Health
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Phosphate Salts
Natural Medicines Comprehensive Database
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Pomegranate
National Center for Complementary and Integrative Health
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Probiotics: What You Need to Know
National Center for Complementary and Integrative Health
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Propolis
Natural Medicines Comprehensive Database
Q
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Quercetin
Natural Medicines Comprehensive Database
R
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Raspberry Ketone
Natural Medicines Comprehensive Database
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Red Clover
National Center for Complementary and Integrative Health
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Red Yeast Rice
National Center for Complementary and Integrative Health
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Reishi Mushroom
Natural Medicines Comprehensive Database
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Resveratrol
Natural Medicines Comprehensive Database
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Riboflavin
National Institutes of Health, Office of Dietary Supplements
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Roman Chamomile
Natural Medicines Comprehensive Database
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Rose Hip
Natural Medicines Comprehensive Database
S
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Saccharomyces Boulardii
Natural Medicines Comprehensive Database
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S-Adenosyl-L-Methionine (SAMe): In Depth
National Center for Complementary and Integrative Health
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Sage
National Center for Complementary and Integrative Health
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Saw Palmetto
National Center for Complementary and Integrative Health
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Selenium
National Institutes of Health, Office of Dietary Supplements
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Senna
Natural Medicines Comprehensive Database
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Shark Cartilage
Natural Medicines Comprehensive Database
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Slippery Elm
Natural Medicines Comprehensive Database
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Soy
National Center for Complementary and Integrative Health
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Spearmint
Natural Medicines Comprehensive Database
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St. John’s Wort
National Center for Complementary and Integrative Health
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Stevia
Natural Medicines Comprehensive Database
T
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Tea Tree Oil
National Center for Complementary and Integrative Health
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Thiamin
National Institutes of Health, Office of Dietary Supplements
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Thunder God Vine
National Center for Complementary and Integrative Health
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Turmeric
National Center for Complementary and Integrative Health
V
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Valerian
National Center for Complementary and Integrative Health
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Vitamin A
National Institutes of Health, Office of Dietary Supplements
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Vitamin B12
National Institutes of Health, Office of Dietary Supplements
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Vitamin B6
National Institutes of Health, Office of Dietary Supplements
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Vitamin B6
Natural Medicines Comprehensive Database
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Vitamin C
National Institutes of Health, Office of Dietary Supplements
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Vitamin D
National Institutes of Health, Office of Dietary Supplements
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Vitamin E
National Institutes of Health, Office of Dietary Supplements
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Vitamin K
National Institutes of Health, Office of Dietary Supplements
W
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Whey Protein
Natural Medicines Comprehensive Database
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Wild Yam
Natural Medicines Comprehensive Database
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Willow Bark
Natural Medicines Comprehensive Database
Y
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Yerba Mate
Natural Medicines Comprehensive Database
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Yohimbe
National Center for Complementary and Integrative Health
Z
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Zinc
National Institutes of Health, Office of Dietary Supplements
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Zinc
Natural Medicines Comprehensive Database
0-9
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5-HTP
Natural Medicines Comprehensive Database
