Estroven for Perimenopause: What's Inside, What Works, and Who It Can Help

Does Estroven actually work for perimenopause symptoms?

It depends on which Estroven you pick. The brand now sells two quite different formulas under one name.

The Complete line uses an extract of rhapontic rhubarb root called ERr 731. The Menopause Relief line pairs black cohosh with soy isoflavones, then adds one extra herb for sleep, mood, energy or weight.

The rhubarb extract in Estroven Complete

ERr 731 has the most perimenopause-specific research of any Estroven ingredient. In a 12-week trial of 112 perimenopausal women, menopause symptom scores fell by about 54% on the extract.

On placebo, the same scores fell by about 11%.

An earlier trial of 109 perimenopausal women found fewer and milder hot flashes than on placebo from week four. A 2024 meta-analysis of four trials agreed the extract eased symptoms. It also flagged very uneven results between studies and some risk of bias.

The Menopause Society, the leading US menopause medical group, is less convinced. It points out that only 7 of the 55 women on placebo finished that earlier trial. With so many dropouts, it rated the evidence limited.

Estroven advertises 'up to 90%' fewer hot flashes, based on a 12-week study. 'Up to' describes the best results, and the box does not show what happened on placebo.

Black cohosh

Black cohosh is the most studied herb for hot flashes, and the results split.

A Cochrane review of 16 trials with 2,027 women found no clear difference from placebo in how often hot flashes came. Cochrane reviews are careful summaries of all the trials on one question.

In a 12-month NIH-funded trial, hot flashes fell 34% on black cohosh and 63% on placebo. Hormone therapy cut them by 94%.

There is a more hopeful reading too. The NIH's integrative health center cites a 2023 review of 22 studies that found some improvement in hot flashes.

Soy isoflavones

Isoflavones are plant compounds that act weakly on estrogen receptors. A 2012 meta-analysis of 17 trials found that isoflavone pills cut hot flash frequency by about a fifth more than placebo did.

Our soy and menopause guide covers food sources, doses and who responds best.

Has the finished Estroven formula been tested?

We found no published trial of any finished Estroven blend. The black cohosh and soy lines rest on studies of their ingredients, tested one at a time.

Estroven Complete comes closest. Its only active ingredient is ERr 731, the same extract used in the rhubarb trials.

What The Menopause Society says

The Menopause Society reviewed the main nonhormone options in its 2023 position statement. It does not recommend black cohosh, rhubarb, soy extracts or other herbal remedies for hot flashes.

That verdict rests mainly on weak and mixed evidence. Many women still try a supplement first, and a short, tracked trial is a fair way to find out. Our perimenopause hot flashes guide lays out every option.

What's in Estroven? Each product line and its ingredients

Estroven.com listed eight products, with seven different formulas, on Oct 3, 2026. Each one is a single daily dose, and none contains estrogen or any other hormone.

Estroven Complete Multi-Symptom Menopause Relief

• Active: rhapontic rhubarb root extract ERr 731, 4 mg per caplet.
• No black cohosh and no soy. It is the lineup's soy-free choice.
• Sizes: 28 or 60 caplets.

Estroven Complete + Ashwagandha

• Actives: the same 4 mg of rhubarb extract, plus 125 mg of Sensoril ashwagandha and 50 mg of magnesium.
• Aimed at: stress and tiredness on top of hot flashes.

Estroven Complete Gummies

• Active: the same rhubarb extract, in a mango passionfruit gummy.
• Good to know: it contains cane sugar and is the newest product, first listed on Amazon in March 2026.

Estroven Pre-Menopause and Weight Management

• Actives: black cohosh 40 mg, soy isoflavones 56 mg and 300 mg of CQR-300, an extract of the vine Cissus quadrangularis.
• One formula, two boxes. Both labels list identical ingredients and amounts.
• Aimed at: hot flashes plus midlife weight changes.

Estroven Stress Relief & Energy Boost

• Actives: black cohosh 80 mg, soy isoflavones 60 mg, green tea extract 100 mg, yerba mate 30 mg and magnolia bark 15 mg.
• Caffeine: about 52 mg, roughly half a cup of coffee. The label says to take it early in the day.

Estroven Sleep Cool

• Actives: black cohosh 40 mg, soy isoflavones 56 mg and melatonin 2 mg.
• Taken at bedtime. The label warns against driving or using machinery after a dose.

Estroven Mood Boost

• Actives: black cohosh 40 mg, soy isoflavones 56 mg, ginkgo biloba 120 mg and magnolia bark 15 mg.
• Aimed at: mood swings, irritability and menopausal anxiety.

How do these doses compare with the research? The 40 mg of black cohosh matches the median dose in the Cochrane trials. The 56 mg of soy sits close to the 54 mg median in the soy meta-analysis.

The only nutrients are small amounts of calcium and magnesium. The NIH sets a Tolerable Upper Intake Level, a safe daily ceiling, for each one.

Estroven's calcium tops out at 112 mg, far below the 2,000 mg ceiling for women over 50. The 50 mg of magnesium is well under the 350 mg ceiling for magnesium from supplements.

The herbs and melatonin have no NIH ceiling, because they are not nutrients. The older Estroven formula with added vitamins is not on estroven.com's current list.

Which Estroven is best for perimenopause?

Estroven does sell a box labeled Pre-Menopause, so start there. It has the same formula as Weight Management: black cohosh, soy and a weight-support herb.

If hot flashes and night sweats bother you most, Estroven Complete is the stronger pick. It has the most perimenopause-specific research of any Estroven ingredient, and it has no soy.

• Hot flashes and night sweats, first try: Estroven Complete.
• Hot flashes plus stress or fatigue: Complete + Ashwagandha.
• Night sweats that wreck your sleep: Sleep Cool.
• Mood swings and irritability: Mood Boost, as long as you do not take a blood thinner.
• Afternoon slump: Stress Relief & Energy Boost, if caffeine agrees with you.
• Weight creeping up: Pre-Menopause or Weight Management, with modest expectations.
• You avoid soy: any Complete product.

Complete is not a gentler version of the black cohosh formulas. It uses a different ingredient altogether.

To see how these herbs rank against magnesium, vitamin D and others, read our perimenopause supplements guide.

Is Estroven safe? Side effects, black cohosh and your liver

For most healthy women, Estroven is low risk. In black cohosh studies, the usual side effects were mild stomach upset and rashes, according to the NIH.

For the rhubarb extract, safety reports from Germany most often mention allergic-type reactions and stomach symptoms.

Black cohosh and your liver

The rare but serious concern is liver injury. The NIH's LiverTox database says products labeled black cohosh have been linked to acute liver injury. A few cases were severe enough to need a liver transplant.

Experts still debate whether black cohosh itself caused these cases.

The US Pharmacopeia, which sets supplement quality standards, recommends a label warning. It says to stop and see a clinician if you have belly pain, dark urine or yellowing skin or eyes.

The Estroven labels we read do not carry that warning, so watch for those signs yourself. The Complete line contains no black cohosh.

The ashwagandha in Complete + Ashwagandha has a few liver reports of its own, the NIH notes.

Who should skip it or check first

• Liver disease: skip the black cohosh lines.
• Pregnant, breastfeeding or trying to conceive: every Estroven label says not to take it.
• Past breast or uterine cancer: the NIH says it is uncertain whether black cohosh is safe after hormone-sensitive cancers. Whether soy supplements are safe after ER-positive breast cancer is not settled either.
• Soy allergy: the black cohosh lines contain soy, while Complete does not.

Possible interactions

• Tamoxifen or aromatase inhibitors: soy isoflavones act weakly on estrogen receptors, and their use alongside these breast cancer drugs is not settled.
• Sleep aids, sedatives or alcohol: the melatonin in Sleep Cool can add to drowsiness. Ashwagandha can also interact with sedatives.
• Blood thinners: the ginkgo in Mood Boost may raise bleeding risk with warfarin, aspirin or clopidogrel.
• Thyroid medicine: soy can reduce how much levothyroxine you absorb, and ashwagandha may affect thyroid levels.
• Caffeine sensitivity: Stress Relief & Energy Boost adds about half a cup of coffee's worth.

If any of these apply to you, show the box to your pharmacist or clinician before you start.

How long does Estroven take to work, and how to try it

Estroven says Complete can show results in as little as 28 days. Its black cohosh labels ask for at least 60 days of daily use.

Soy is slower still. The Menopause Society notes that soy trials suggest more than 16 weeks to reach the full effect.

A fair test is 8 to 12 weeks on one product. Here is a simple way to run it.

• Pick one product. With two at once, you cannot tell which one helped.
• Track one symptom. Count hot flashes or night wakings for a week before you start.
• Take it every day. Missed doses blur the result.
• Check at week 4 and week 12. Compare your counts with your first week.
• Look for a clear change. In trials, hot flashes eased a lot on placebo alone, so a small dip may not be the pill.
• Stop at once if you notice any of the liver warning signs above.

What Estroven costs at Walmart, Target, Amazon and estroven.com

Estroven is one of the cheaper menopause products on the shelf. Most boxes cost about $15 to $35 and last four weeks to two months.

These are the main prices on estroven.com, checked Oct 3, 2026.

• Complete, 28 caplets: about $20 · 60 caplets about $30
• Complete + Ashwagandha, 60 caplets: about $35
• Complete Gummies, 30 count: about $25
• Pre-Menopause or Weight Management, 30 capsules: about $20 · 60 capsules about $35
• Stress Relief & Energy Boost, 28 caplets: about $20
• Sleep Cool or Mood Boost, 30 caplets: about $15 · 60 caplets about $25

Subscribe & Save on estroven.com takes 10% off every order and ships free. You can skip or cancel anytime. One-time orders ship free over $30.

Store prices land close. Walmart listed Complete at about $20 for 28 caplets and about $30 for 60.

Amazon had the 28-count at about $20. Its Subscribe & Save brings that closer to $15 when you subscribe to five or more items. Target showed the 60-count at about $30.

Over a year, Estroven Complete costs about $180 if you buy the 60-count. Buying 28-count boxes instead runs about $260.

A Subscribe & Save order of the 60-count brings the year down to about $165. The gummies are the priciest route, at about $320 a year.

On estroven.com orders, you can ask for a refund or a replacement within 30 days of receipt. Shipping fees are not refunded, and the company reserves the right to say no. Store purchases follow each store's own policy.

What real Estroven reviews say

Shoppers rate Estroven well. On Amazon, the 28-count Complete scored 4.4 out of 5 from about 19,500 ratings on Oct 3, 2026.

Complete + Ashwagandha scored 4.5 from about 1,950 ratings. The new gummies had 4.4 from 179 ratings.

Walmart's 60-count Complete listing showed about 4.5 stars from roughly 3,000 reviews.

Happy reviewers describe fewer night sweats and better sleep, sometimes within the first few weeks. Critical ones say nothing changed after a month or more. A handful mention stomach upset.

Star ratings measure satisfaction, not proof. Hot flash trials show a large placebo effect, so glowing reviews and modest trial results can both be true.

Trustpilot has an unclaimed estroven.com profile with a single review, too few to tell you anything.

The maker, i-Health, Inc., holds an A+ letter grade from the BBB and has been accredited since 2013. That letter grade judges how a business handles complaints. The profile showed no complaints in the past three years and no customer star reviews.

Is Estroven legit? Who makes it, lawsuits and regulators

Yes, Estroven is a real, long-running brand. It has been on US shelves since the late 1990s.

It is sold by i-Health, Inc., based in Shelton, Connecticut. i-Health is owned by dsm-firmenich, a large ingredients group, and also sells Culturelle and AZO.

As a dietary supplement, Estroven did not need FDA approval before going on sale. Under DSHEA, the federal supplement law, the maker is responsible for its safety and its claims.

We found no third-party quality seal, such as USP Verified, on the Estroven pages we read.

The 2026 class action

In July 2026, a California shopper sued i-Health and its parent, DSM Nutritional Products. Arnold v. I-Health, Inc. was filed on July 29, 2026, in federal court in Sacramento.

The suit covers only Mood Boost and Stress Relief & Energy Boost. The complaint says their soy, black cohosh, ginkgo and magnolia do not relieve menopause symptoms.

It also argues the health claims turn them into unapproved drugs. It seeks to represent California buyers since 2019.

The latest docket entry, dated Aug 3, 2026, shows the case at its very start. The allegations are unproven.

No FDA warning letter or FTC action naming Estroven turned up in our search. The only advertising ruling we found dates from 2007. The National Advertising Division, the ad industry's watchdog, asked the owner at the time to drop 'clinically proven' claims not tested on the product itself.

Estroven vs Remifemin, Amberen, Estrovera, HRT and Veozah

Estrovera is the name most often confused with Estroven. A different company, Metagenics, makes it. Yet it uses the same ERr 731 rhubarb extract as Estroven Complete, at the same 4 mg a day.

Remifemin is a black cohosh tablet with no soy. Amberen is built on a compound called ammonium succinate. The Menopause Society notes that Amberen's trials were funded by its maker, and it does not recommend it.

The evidence-backed options are prescriptions. The Menopause Society calls hormone therapy the most effective treatment for hot flashes.

In the NIH-funded HALT trial, hormone therapy prevented about four more hot flashes a day than placebo did.

For women who cannot or would rather not take hormones, the Society recommends nonhormonal drugs. These include fezolinetant, sold as Veozah, and low-dose paroxetine, an FDA-approved nonhormonal pill.

Since then, the FDA has approved elinzanetant, sold as Lynkuet. It was cleared on Oct 24, 2025, for moderate to severe hot flashes.

Our Veozah review and Veozah vs HRT explain how the prescriptions differ. Our HRT vs alternatives comparison and Veozah alternatives show what each costs. If you are still having periods, read hormone therapy in perimenopause.

Who Estroven suits, and who should look elsewhere

• Good fit: your hot flashes or night sweats are mild and you want a cheap, hormone-free first step.
• Good fit: you want no prescription and no appointment, just a box from the drugstore.
• Good fit: you avoid soy, and Estroven Complete fits that need.
• Not a fit: your hot flashes are moderate or severe, or they keep you up most nights.
• Not a fit: you have liver disease, unless you choose a line without black cohosh.
• Not a fit: you have had breast or uterine cancer and have not checked with your oncology team.
• Not a fit, or check first: you take a blood thinner, tamoxifen, thyroid medicine or sedatives.

Estroven is a reasonable experiment for milder symptoms, at a modest price. If 12 weeks bring no clear change, more effective options are waiting.