- Using Echinacea to ward off a cold while on Tylenol can severely damage your liver

- St. John's wort can relieve depression but also weaken the effectiveness of birth control pills

- Mixing kava and alcohol can be toxic

- Diabetics who take panax ginseng for insomnia can dangerously lower their blood sugar

- Drinking green tea for an upset stomach can lead to false-positive results for some forms of cancer

If you didn't know about the unforeseen consequences of herbs and vitamins, you aren't alone. According to a major medical journal, most practicing physicians have little knowledge of herbal remedies and their effects. Now, there is a way for the 60 million herb and vitamin users in America to enjoy their benefits without endangering themselves in the process. The Essential Herb-Drug-Vitamin Interaction Guide profiles 300 supplements (three times as many as the competition) by: typical dosages; contraindicated drugs; lab tests an herb's use can alter; diseases an herb may worsen; and food/beverage interactions to watch.

Written by a leading authority in the field and a veteran health writer, The Essential Herb-Drug-Vitamin Interaction Guide is organized alphabetically so anyone from an anxious senior to a family physician can instantly locate what they need to know. As America's boomers age and natural remedies increase in popularity, The Essential Herb-Drug-Vitamin Interaction Guide will be the one guide you spot in homes and doctors' offices everywhere.

Did you know that . . .

Using echinacea to ward off a cold while you’re taking Tylenol can severely damage your liver?

Mixing kava kava and alcohol can be toxic?

If you’re diabetic and you take Panax ginseng, you can dangerously lower your blood sugar levels?

Drinking green tea can lead to false-positive results for some forms of cancer?

Taking St. John’s wort while you’re on birth control, prescription antidepressants, or certain heart medications can be deadly?

These are just a few of the warnings you need to know. If you’re one of the 60 million herb, vitamin, and supplement users in America, you need to know how to use herbs and supplements safely and effectively. The Essential Herb-Drug-Vitamin Interaction Guide profiles 300 supplements and gives vital information regarding potentially dangerous interactions, possible side effects, and typical dosages.

Written by a leading authority in the field and a veteran health writer, The Essential Herb-Drug-Vitamin Interaction Guide is organized alphabetically by herb, with an index of medications at the end of the book so you can instantly locate the information you need, Comprehensive, thoroughly researched, and easy to use, this is one health guide you can’t afford to be without.

Barry Fox, Ph.D., is the bestselling author and coauthor of numerous health books, including the New York Times number-one bestseller The Arthritis Cure, as well as The Side Effects Bible and Alternative Cures That Really Work.