Ipriflavone

Uses

Ipriflavone is a synthetic flavonoid (isoflavone) derived from the soy compound daidzein.

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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.

3 StarsReliable and relatively consistent scientific data showing a substantial health benefit.

2 StarsContradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.

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

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

Used for	Why
2 Stars Osteoporosis 600 mg daily along with 1,000 mg calcium daily	Ipriflavone promotes the incorporation of calcium into bone and inhibits bone breakdown, thus preventing and reversing osteoporosis. is a synthetic flavonoid derived from the soy isoflavone called daidzein. It promotes the incorporation of calcium into bone and inhibits bone breakdown, thus preventing and reversing osteoporosis. Many clinical trials, including numerous double-blind trials, have consistently shown that long-term treatment with 600 mg of ipriflavone per day, along with 1,000 mg supplemental calcium, is both safe and effective in halting bone loss in postmenopausal women or in women who have had their ovaries removed. Ipriflavone has also been found to improve bone density in established cases of osteoporosis in some, but not all, clinical trials. However, one double-blind study has failed to confirm the beneficial effect of ipriflavone. In that study, ipriflavone was no more effective than a placebo for preventing bone loss in postmenopausal women with osteoporosis. The women in this negative study were older (average age, 63.3 years) than those in most other ipriflavone studies and had relatively severe osteoporosis. It is possible that ipriflavone works only in younger women or in those with less severe osteoporosis.

Used for

Why

2 Stars

Osteoporosis

600 mg daily along with 1,000 mg calcium daily

Ipriflavone promotes the incorporation of calcium into bone and inhibits bone breakdown, thus preventing and reversing osteoporosis.

is a synthetic flavonoid derived from the soy isoflavone called daidzein. It promotes the incorporation of calcium into bone and inhibits bone breakdown, thus preventing and reversing osteoporosis. Many clinical trials, including numerous double-blind trials, have consistently shown that long-term treatment with 600 mg of ipriflavone per day, along with 1,000 mg supplemental calcium, is both safe and effective in halting bone loss in postmenopausal women or in women who have had their ovaries removed. Ipriflavone has also been found to improve bone density in established cases of osteoporosis in some, but not all, clinical trials.

However, one double-blind study has failed to confirm the beneficial effect of ipriflavone. In that study, ipriflavone was no more effective than a placebo for preventing bone loss in postmenopausal women with osteoporosis. The women in this negative study were older (average age, 63.3 years) than those in most other ipriflavone studies and had relatively severe osteoporosis. It is possible that ipriflavone works only in younger women or in those with less severe osteoporosis.

How It Works

How to Use It

The typical supplemental amount of ipriflavone is 200 mg three times daily. Taking 300 mg twice daily has been reported to be just as effective as 200 mg three times per day.¹

Where to Find It

Ipriflavone does occur naturally in food but only in trace amounts. It is available as a nutritional supplement.

Possible Deficiencies

As ipriflavone is not an essential nutrient, no deficiency state exists.

Interactions

Interactions with Supplements, Foods, & Other Compounds

At the time of writing, there were no well-known supplement or food interactions with this supplement.

Interactions with Medicines

As of the last update, we found no reported interactions between this supplement and medicines. It is possible that unknown interactions exist. If you take medication, always discuss the potential risks and benefits of adding a new supplement with your doctor or pharmacist.

The Drug-Nutrient Interactions table may not include every possible interaction. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects. For details, refer to the manufacturers' package information as these are not covered in this table. If you take medications, always discuss the potential risks and benefits of adding a supplement with your doctor or pharmacist.

Side Effects

In a trial of ipriflavone for osteoporosis, 29 of the 132 women in the ipriflavone group completing the three-year trial developed a clinically significant drop in lymphocytes.² These cells, which make up approximately 22 to 28% of the white blood cells in the normal adult, are critical components of the immune system and its ability to respond to viral infections. In some of these women, a return to normal levels took almost two years after they had stopped the ipriflavone. Since this finding has been reported in one other smaller clinical trial,³ it suggests that women choosing to take ipriflavone should have their lymphocytes measured regularly by their doctor.

In double-blind studies, the frequency of perceived side effects in ipriflavone-treated people (14.5%) was actually less than that observed in people receiving the placebo (16.1%).⁴ Side effects were mainly mild stomach upset. Researchers recommend that patients with severe kidney disease take a lower amount of ipriflavone (200 to 400 mg daily).⁵

References

1. Acerbi D, Poli G, Ventura P. Comparative bioavailability of two oral formulations of ipriflavone in healthy volunteers at steady-state. Evaluation of two different dosage schemes. Eur J Drug Metabol Pharmacokinet 1998,23:172-7.

2. Alexandersen P, Toussaint A, Christiansen C, et al. Ipriflavone in the treatment of postmenopausal osteoporosis: a randomized controlled trial. JAMA 2001;285:1482-88.

3. Agnusdei D, Bufalino L. Efficacy of ipriflavone in established osteoporosis and long-term safety. Calcif Tissue Int 1997;61:23-27.

4. Agnusdei D, Bufalino L. Efficacy of ipriflavone in established osteoporosis and long-term safety. Calcif Tissue Int 1997;61:23-27.

5. Rondelli I, Acerbi D, Ventura P. Steady-state pharmacokinetics of ipriflavone and its metabolites in patients with renal failure. Int J Clin Pharm Res 1991;11:183-92.

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Last Review: 05-24-2015

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The information presented by TraceGains 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 December 2021.

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Ipriflavone

Uses

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