Red Clover

 
Red Clover
© Steven Foster
Common names:
Wild Clover
Botanical names:
Trifolium pratense

Parts Used & Where Grown

This plant grows in Europe and North America. The flowering tops are used in botanical medicine. Another plant, white clover, grows in similar areas. Both have white arrow-shaped patterns on their leaves.

What Are "Star" Ratings?

a7_3star Reliable and relatively consistent scientific data showing a substantial health benefit.

a7_2star Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.

a7_1star For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.

Our proprietary “Star-Rating” system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.

For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.

This supplement has been used in connection with the following health conditions:


Used for AmountWhy
Menopause
80 mg of isoflavones daily2 stars Red clover is an herb with weak estrogen-like actions similar to soy. In one study, isoflavones from red clover reduced the frequency of hot flashes in postmenopausal women.

2 stars Menopause

80 mg of isoflavones daily

A variety of herbs with weak estrogen-like actions similar to the effects of soy have traditionally been used for women with menopausal symptoms.2 These herbs include licorice, alfalfa, and red clover. In a double-blind trial, a formula containing tinctures of licorice, burdock, dong quai, wild yam, and motherwort (30 drops three times daily) was found to reduce symptoms of menopause.3 No effects on hormone levels were detected in this study. In a separate double-blind trial, supplementation with dong quai (4.5 grams three times daily in capsules) had no effect on menopausal symptoms or hormone levels.4 A double-blind trial using a standardized extract of subterranean clover (Trifolium subterraneum), a relative of red clover, containing 40 mg isoflavones per tablet did not impact symptoms of menopause, such as hot flashes, though it did improve function of the arteries.5 An extract of red clover, providing 82 mg of isoflavones per day, also was ineffective in a 12-week double-blind study.6 In another double-blind study, however, administration of 80 mg of isoflavones per day from red clover reduced the frequency of hot flashes in postmenopausal women. The benefit was noticeable after 4 weeks of treatment and became more pronounced after a total of 12 weeks.7 An extract of red clover also decreased symptoms of anxiety and depression in postmenopausal women in a double-blind study. The extract provided 80 mg of isoflavones per day and was taken for 90 days.8


Used for AmountWhy
Osteoporosis
Take an extract supplying 26 mg of biochanin A, 16 mg of formononetin, 1 mg of genistein, and 0.5 mg of daidzein per day2 stars In one study, supplementing with isoflavones from red clover reduced the amount of bone loss from the spine by 45%, compared with a placebo.

2 stars Osteoporosis

Take an extract supplying 26 mg of biochanin A, 16 mg of formononetin, 1 mg of genistein, and 0.5 mg of daidzein per day

In a double-blind study, supplementation with isoflavones from red clover for one year reduced the amount of bone loss from the spine by 45%, compared with a placebo.9 The supplement used provided daily 26 mg of biochanin A, 16 mg of formononetin, 1 mg of genistein, and 0.5 mg of daidzein.

Used for AmountWhy
Cough
Refer to label instructions 1 star Red clover has a long history of use for relieving coughs.

1 star Cough

The mucilage of slippery elm gives it a soothing effect for coughs. Usnea also contains mucilage, which may be helpful in easing irritating coughs. There is a long tradition of using wild cherry syrups to treat coughs. Other traditional remedies to relieve coughs include bloodroot, catnip, comfrey (the above-ground parts, not the root), horehound, elecampane, mullein, lobelia, hyssop, licorice, mallow, (Malvia sylvestris), red clover, ivy leaf, pennyroyal (Hedeoma pulegioides, Mentha pulegium), onion, (Allium cepa), and plantain (Plantago lanceolata, P. major). None of these has been investigated in human trials, so their true efficacy for relieving coughs is unknown.


Used for AmountWhy
Eczema
Refer to label instructions 1 star Red clover has been used historically to treat people with eczema.

1 star Eczema

Burdock, sarsaparilla, red clover, and wild oats have been used historically to treat people with eczema, but without scientific investigation.

Traditional Use (May Not Be Supported by Scientific Studies)

Traditional Chinese Medicine and Western folk medicine used this plant as a diuretic, a cough expectorant (an agent that promotes discharge of mucus from the respiratory passages), and an alterative. Alterative plants were considered beneficial for chronic conditions, particularly those afflicting the skin.

Also indexed as:
  • botanicals,
  • herbal dietary supplements,
  • herbal medicine,
  • herbal remedies,
  • herbal therapy,
  • herbalism,
  • plant Medicine,
  • red clover,
  • Trifolium pratense

About this treatment

Common names:
Wild Clover
Botanical names:
Trifolium pratense

How It Works

Red clover is known as an alterative agent—in other words, one that produces gradual beneficial changes in the body, usually by improving nutrition; also known as a “blood cleanser.” It is a traditional remedy for psoriasis and eczema. However, the mechanism of action and constituents responsible for red clover’s purported benefit in skin conditions are unknown.

Modern research has revealed that red clover also contains high amounts of isoflavones, such as biochanin A, formononetin, and genistein, which have weak estrogen-like properties. Modern research has focused on a red clover extract high in isoflavones as a possible treatment for symptoms associated with menopause and cardiovascular health in menopausal women. In a double-blind study, administration of 80 mg of isoflavones per day from red clover reduced the frequency of hot flashes in postmenopausal women. The benefit was noticeable after 4 weeks of treatment and became more pronounced after a total of 12 weeks. Another double-blind trial found that red clover improved cardiovascular function in menopausal women. Various laboratory studies suggest red clover isoflavones may help prevent prostate cancer. In a case study, use of red clover by a man with prostate cancer led to noticeable anticancer effects in his prostate after the cancer was surgically removed. Although the isoflavones in red clover may help prevent certain forms of cancer (for example, breast and prostate), further studies are needed before red clover is recommended for cancer patients.

How to Use It

Traditionally, red clover is taken as a tea, by adding 1 cup (250 ml) of boiling water to 2 to 3 teaspoons (10 to 15 grams) of dried flowers and steeping, covered, for ten to fifteen minutes. Three cups (750 ml) can be drunk each day. Red clover can also be used in capsule or tablet form, equivalent to 2 to 4 grams of the dried flowers. Also, 1/2 to 3/4 teaspoon (2 to 4 ml) of tincture three times per day may be taken. Standardized extracts providing 40 mg isoflavones per day are available as well.


Last Review: 05-11-2011

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Copyright © 2011 Aisle7. All rights reserved. www.Aisle7.net

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The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2011.

© 1995-2011 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.

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