Herbs and Supplements
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 Alternative Medicine)
- Acai (Natural Medicines Comprehensive Database)
- Alfalfa (Natural Medicines Comprehensive Database)
- Aloe (Natural Medicines Comprehensive Database)
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Aloe Vera
(National Center for Complementary and Alternative Medicine)
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Aristolochic Acids
(National Toxicology Program) - PDF
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Asian Ginseng
(National Center for Complementary and Alternative Medicine)
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Astragalus
(National Center for Complementary and Alternative Medicine)
B
Return to top- Bacillus coagulans (Natural Medicines Comprehensive Database)
- Belladonna (Natural Medicines Comprehensive Database)
- Beta-carotene (Natural Medicines Comprehensive Database)
- Bifidobacteria (Natural Medicines Comprehensive Database)
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Bilberry
(National Center for Complementary and Alternative Medicine)
- Bilberry (Natural Medicines Comprehensive Database)
- Biotin (Natural Medicines Comprehensive Database)
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Bitter Orange
(National Center for Complementary and Alternative Medicine)
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Black Cohosh
(National Center for Complementary and Alternative Medicine)
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Black Cohosh
(National Institutes of Health, Office of Dietary Supplements)
- Black psyllium (Natural Medicines Comprehensive Database)
- Black tea (Natural Medicines Comprehensive Database)
- Bladderwrack (Natural Medicines Comprehensive Database)
- Blessed thistle (Natural Medicines Comprehensive Database)
- Blond psyllium (Natural Medicines Comprehensive Database)
- Blueberry (Natural Medicines Comprehensive Database)
- Blue-green algae (Natural Medicines Comprehensive Database)
- Boron (Natural Medicines Comprehensive Database)
- Bromelain (Natural Medicines Comprehensive Database)
C
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Calcium
(National Institutes of Health, Office of Dietary Supplements)
- Calcium (Natural Medicines Comprehensive Database)
- Calendula (Natural Medicines Comprehensive Database)
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Cancell/Cantron/Protocel (PDQ)
(National Cancer Institute)
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Cartilage (Bovine and Shark) (PDQ)
(National Cancer Institute)
- Cassia cinnamon (Natural Medicines Comprehensive Database)
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Cat's Claw
(National Center for Complementary and Alternative Medicine)
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Chamomile
(National Center for Complementary and Alternative Medicine)
- Chondroitin sulfate (Natural Medicines Comprehensive Database)
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Chromium
(National Institutes of Health, Office of Dietary Supplements)
- Chromium (Natural Medicines Comprehensive Database)
- Clove (Natural Medicines Comprehensive Database)
- Coenzyme Q-10 (Natural Medicines Comprehensive Database)
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Coenzyme Q10 (PDQ)
(National Cancer Institute)
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Colloidal Silver Products
(National Center for Complementary and Alternative Medicine)
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Cranberry
(National Center for Complementary and Alternative Medicine)
- Cranberry (Natural Medicines Comprehensive Database)
- Creatine (Natural Medicines Comprehensive Database)
D
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Dandelion
(National Center for Complementary and Alternative Medicine)
- Dandelion (Natural Medicines Comprehensive Database)
- Devil's claw (Natural Medicines Comprehensive Database)
- DHEA (Natural Medicines Comprehensive Database)
- Dong quai (Natural Medicines Comprehensive Database)
E
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Echinacea
(National Center for Complementary and Alternative Medicine)
- Echinacea (Natural Medicines Comprehensive Database)
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Essiac/Flor-Essence (PDQ)
(National Cancer Institute)
- Eucalyptus (Natural Medicines Comprehensive Database)
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European Elder (Elderberry)
(National Center for Complementary and Alternative Medicine)
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European Mistletoe
(National Center for Complementary and Alternative Medicine)
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Evening Primrose Oil
(National Center for Complementary and Alternative Medicine)
- Evening primrose oil (Natural Medicines Comprehensive Database)
F
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Fenugreek
(National Center for Complementary and Alternative Medicine)
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Feverfew
(National Center for Complementary and Alternative Medicine)
- Feverfew (Natural Medicines Comprehensive Database)
- Fish oil (Natural Medicines Comprehensive Database)
- Flaxseed (Natural Medicines Comprehensive Database)
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Flaxseed and Flaxseed Oil
(National Center for Complementary and Alternative Medicine)
- Flaxseed oil (Natural Medicines Comprehensive Database)
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Folate
(National Institutes of Health, Office of Dietary Supplements)
- Folic acid (Natural Medicines Comprehensive Database)
G
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Garlic
(National Center for Complementary and Alternative Medicine)
- Garlic (Natural Medicines Comprehensive Database)
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Ginger
(National Center for Complementary and Alternative Medicine)
- Ginger (Natural Medicines Comprehensive Database)
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Gingko
(National Center for Complementary and Alternative Medicine)
- Ginkgo (Natural Medicines Comprehensive Database)
- Ginseng, American (Natural Medicines Comprehensive Database)
- Ginseng, Panax (Natural Medicines Comprehensive Database)
- Ginseng, Siberian (Natural Medicines Comprehensive Database)
- Glucosamine hydrochloride (Natural Medicines Comprehensive Database)
- Glucosamine sulfate (Natural Medicines Comprehensive Database)
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Goldenseal
(National Center for Complementary and Alternative Medicine)
- Goldenseal (Natural Medicines Comprehensive Database)
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Grape Seed Extract
(National Center for Complementary and Alternative Medicine)
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Green Tea
(National Center for Complementary and Alternative Medicine)
- Green tea (Natural Medicines Comprehensive Database)
H
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Hawthorn
(National Center for Complementary and Alternative Medicine)
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Hoodia
(National Center for Complementary and Alternative Medicine)
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Horse Chestnut
(National Center for Complementary and Alternative Medicine)
- Horse chestnut (Natural Medicines Comprehensive Database)
- Horsetail (Natural Medicines Comprehensive Database)
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Hydrazine Sulfate (PDQ)
(National Cancer Institute)
I
Return to top- Iodine (Natural Medicines Comprehensive Database)
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Iron
(National Institutes of Health, Office of Dietary Supplements)
- Iron (Natural Medicines Comprehensive Database)
K
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Kava
(National Center for Complementary and Alternative Medicine)
- Kava (Natural Medicines Comprehensive Database)
L
Return to top- Lactobacillus (Natural Medicines Comprehensive Database)
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Laetrile/Amygdalin (PDQ)
(National Cancer Institute)
- L-arginine (Natural Medicines Comprehensive Database)
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Lavender
(National Center for Complementary and Alternative Medicine)
- Lavender (Natural Medicines Comprehensive Database)
- Licorice (Natural Medicines Comprehensive Database)
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Licorice Root
(National Center for Complementary and Alternative Medicine)
- Lycium (Natural Medicines Comprehensive Database)
- Lycopene (Natural Medicines Comprehensive Database)
M
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Magnesium
(National Institutes of Health, Office of Dietary Supplements)
- Magnesium (Natural Medicines Comprehensive Database)
- Manganese (Natural Medicines Comprehensive Database)
- Melatonin (Natural Medicines Comprehensive Database)
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Milk Thistle
(National Center for Complementary and Alternative Medicine)
- Milk thistle (Natural Medicines Comprehensive Database)
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Milk Thistle (PDQ)
(National Cancer Institute)
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Mistletoe Extracts (PDQ)
(National Cancer Institute)
N
Return to top- Niacin and niacinamide (Vitamin B3) (Natural Medicines Comprehensive Database)
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Noni
(National Center for Complementary and Alternative Medicine)
- Noni (Natural Medicines Comprehensive Database)
O
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Oral Probiotics
(National Center for Complementary and Alternative Medicine)
P
Return to top- Pantothenic acid (Vitamin B5) (Natural Medicines Comprehensive Database)
- Passionflower (Natural Medicines Comprehensive Database)
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PC-SPES (PDQ)
(National Cancer Institute)
- Pennyroyal (Natural Medicines Comprehensive Database)
- Peppermint (Natural Medicines Comprehensive Database)
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Peppermint Oil
(National Center for Complementary and Alternative Medicine)
- Phosphate salts (Natural Medicines Comprehensive Database)
- Pomegranate (Natural Medicines Comprehensive Database)
- Propolis (Natural Medicines Comprehensive Database)
- Pycnogenol (Natural Medicines Comprehensive Database)
- Pyridoxine (Vitamin B6) (Natural Medicines Comprehensive Database)
R
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Red Clover
(National Center for Complementary and Alternative Medicine)
- Red clover (Natural Medicines Comprehensive Database)
- Red yeast (Natural Medicines Comprehensive Database)
- Riboflavin (Vitamin B2) (Natural Medicines Comprehensive Database)
- Roman chamomile (Natural Medicines Comprehensive Database)
S
Return to top- Saccharomyces boulardii (Natural Medicines Comprehensive Database)
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Sage
(National Center for Complementary and Alternative Medicine)
- SAMe (Natural Medicines Comprehensive Database)
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Saw Palmetto
(National Center for Complementary and Alternative Medicine)
- Saw palmetto (Natural Medicines Comprehensive Database)
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Selected Vegetables/Sun's Soup (PDQ)
(National Cancer Institute)
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Selenium
(National Institutes of Health, Office of Dietary Supplements)
- Selenium (Natural Medicines Comprehensive Database)
- Senna (Natural Medicines Comprehensive Database)
- Shark cartilage (Natural Medicines Comprehensive Database)
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Soy
(National Center for Complementary and Alternative Medicine)
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St. John's Wort
(National Center for Complementary and Alternative Medicine)
- St. John's wort (Natural Medicines Comprehensive Database)
T
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Tea Tree Oil
(National Center for Complementary and Alternative Medicine)
- Tea tree oil (Natural Medicines Comprehensive Database)
- Thiamine (Vitamin B1) (Natural Medicines Comprehensive Database)
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Thunder God Vine
(National Center for Complementary and Alternative Medicine)
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Turmeric
(National Center for Complementary and Alternative Medicine)
- Turmeric (Natural Medicines Comprehensive Database)
V
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Valerian
(National Center for Complementary and Alternative Medicine)
- Valerian (Natural Medicines Comprehensive Database)
- Vitamin A (Natural Medicines Comprehensive Database)
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Vitamin A and Carotenoids
(National Institutes of Health, Office of Dietary Supplements)
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Vitamin B12
(National Institutes of Health, Office of Dietary Supplements)
- Vitamin B12 (Natural Medicines Comprehensive Database)
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Vitamin B6
(National Institutes of Health, Office of Dietary Supplements)
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Vitamin C
(National Institutes of Health, Office of Dietary Supplements)
- Vitamin C (Ascorbic acid) (Natural Medicines Comprehensive Database)
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Vitamin D
(National Institutes of Health, Office of Dietary Supplements)
- Vitamin D (Natural Medicines Comprehensive Database)
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Vitamin E
(National Institutes of Health, Office of Dietary Supplements)
- Vitamin E (Natural Medicines Comprehensive Database)
- Vitamin K (Natural Medicines Comprehensive Database)
W
Return to top- Wild yam (Natural Medicines Comprehensive Database)
Y
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Yohimbe
(National Center for Complementary and Alternative Medicine)
- Yohimbe (Natural Medicines Comprehensive Database)
Z
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Zinc
(National Institutes of Health, Office of Dietary Supplements)
- Zinc (Natural Medicines Comprehensive Database)
0-9
Return to top- 5-HTP (Natural Medicines Comprehensive Database)