Encyclopedia of Herbs and Supplements

Straightforward guides to the herbs, vitamins, minerals and supplements people ask us about most. Each one covers what it is, what the research actually shows, whether it is safe, and how it can interact with prescription medicines.

We write these in plain language, and we say so when the evidence is thin. Everything is drawn from the National Center for Complementary and Integrative Health, the NIH Office of Dietary Supplements, and the National Cancer Institute.

A

• Astragalus

B

• Bilberry
• Black Cohosh

C

• Cat's Claw
• Chromium mineral

D

• Dandelion

E

• Elderberry
• Evening Primrose Oil

F

• Fenugreek
• Feverfew
• Flaxseed and Flaxseed Oil

G

• Garlic
• Ginger
• Goldenseal
• Grape Seed Extract
• Green Tea

H

• Hawthorn

K

• Kava

M

• Magnesium mineral
• Milk Thistle
• Mugwort

P

• Pomegranate

R

• Red Clover
• Red Yeast Rice

S

• Saw Palmetto
• Selenium mineral

T

• Tea Tree Oil
• Turmeric

V

• Valerian
• Vitamin A and Carotenoids vitamin
• Vitamin B12 vitamin
• Vitamin D vitamin
• Vitamin K vitamin

Y

• Yohimbe

Z

• Zinc mineral

More entries are added regularly. If something you take is not listed yet, ask us and we will cover it.

Interested in how herbs are used in practice? Read about our approach to botanical and herbal medicine.