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Chasteberry

Chasteberry

Herbs such as chasteberry (Vitex agnus-castus) offer an option for women who would like a safe, natural approach to reducing menstrual cycle and menopausal discomforts.

Chasteberry has a rich history of use as a remedy for women, with the first medicinal accounts recorded by Hippocrates in the 4th century B.C. Today, chasteberry is widely used and accepted as a treatment for female complaints such as PMS, irregular menstruation, painful breast swelling, and menopause.

Plant Description

The chasteberry herb comes from the chaste tree-a shrub native to the Mediterranean region, but now found in subtropical climates around the world. The chaste tree bears violet flowers and reddish black berries. In the fall, its ripe berries are dried and used medicinally.

What's It Made Of?

Chasteberry contains a variety of active compounds that affect different aspects of the reproductive system and create a balancing, or normalizing, effect among hormones. Some of these active compounds include essential oils, iridoid glycosides, and flavonoids.

Available Forms

Chasteberry is available in tincture, tablet, liquid, dried herb/tea, and capsule form.

How To Take It

Keep in mind the following guidelines while using chasteberry:

  • Take the capsule or tablet form immediately before meals to maximize absorption.
  • Chasteberry tincture may cause stomach irritation if taken on an empty stomach because of the solution's alcohol content. Be sure to dilute the tincture with water before taking.
  • PMS can respond quickly to chasteberry; you may notice a reduction in symptoms during your next menstrual cycle, even if you've taken it for only 10 days. However, it usually takes three months for the herb's benefits to become apparent.

As with any therapy, it is important to talk to your healthcare provider before taking chasteberry.

Precautions

In general, chasteberry does not cause any adverse reactions. In rare cases, women develop an itchy skin rash or complain of stomach discomfort.

Possible Interactions

  • Avoid taking chasteberry with hormone replacement medications and oral contraceptives because it will interfere with hormone production.
  • Chasteberry may interfere with the effectiveness of bromocriptine, a drug used to reduce prolactin levels.

Supporting Research

Hardy M, McDermott J. Integrating herbs and botanicals into patient care. J Am Pharm Assoc 2000;40(5Supp1):S38-39.

Kam IW, Dennehy CE, Tsourounis C. Dietary supplement use among menopausal women attending a San Francisco health conference. Menopause 2002;9(1):72-78.

Lauritzen CH, Reuter HD, Repges R, et al. Treatment of premenstrual tension syndrome with Vitex agnus castus: controlled, double-blind study versus pyridoxine. Phytomed 1997;4(3):183-89.

Mills S, Bone K. Principles and practice of phytotherapy. London: Churchill Livingstone; 2000.

Schellenberg R. Treatment for the premenstrual syndrome with agnus castus fruit extract: prospective, randomized, placebo controlled study. BMJ 2001;322(7279):134-37.

Schulz V, Hansel R, Tyler VE. Gynecologic indications for herbal remedies. In Rational phytotherapy: a physician's guide to herbal medicine. Berlin: Springer-Verlag; 1998.

Snow JM. Vitex agnus-castus L. (Verbenaceae). Protocol J Botanic Med 1996;1(4):20-23.

Wade C, Kronenberg F, Kelly A, et al. Hormone-modulating herbs: implications for women's health. J Am Med Womens Assoc 1999;54(4):181-83.

Advanced Nutrition Publications ©2002


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