Skip to main content

Phytoestrogen

Soy Isoflavones (Menopause)

Also known as: Genistein, Daidzein, Isoflavone extract, Phytoestrogens

B
Evidence

Plant estrogens from soy that may provide mild menopause symptom relief.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

Add Bluebonnet Nutrition OSTEO-BONE FORMULA to your stack — free
The highest-scored Soy Isoflavones (Menopause) product in our catalog (76/100). Track dose and overlaps in the app.
Add it →

Every Soy Isoflavones (Menopause) product we have scored

Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.

Common questions

How much Soy Isoflavones (Menopause) should I take?

The typical range is 40-80mg isoflavones daily. Several months for effect

When should I take Soy Isoflavones (Menopause)?

Divided doses. Either way.

Which form of Soy Isoflavones (Menopause) is best?

Isoflavone extract — Standardized. Other forms in the catalog: Soy foods, Capsules.

Is Soy Isoflavones (Menopause) safe?

Commonly reported: GI upset, Bloating. Serious warnings: Phytoestrogens - discuss with oncologist if cancer history, Thyroid effects at high doses. Safe

Which Soy Isoflavones (Menopause) supplement scores highest?

Bluebonnet Nutrition OSTEO-BONE FORMULA, at 76/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

Primary uses

  • Hot flashes (mild)
  • Bone health
  • Cardiovascular (mild)

How it works

  • Mild estrogenic activity
  • May reduce hot flashes
  • Bone health support
  • Cardiovascular effects

Dosage

Typical range
40-80mg isoflavones daily
Timing
Divided doses
With food
Either way
Duration
Several months for effect
Special populations
Menopausal women seeking mild symptom relief

Forms

  • Isoflavone extract
  • Soy foods
  • Capsules

Safety

Common side effects

  • GI upset
  • Bloating

Contraindications

  • Hormone-sensitive cancers (controversial/discuss)
  • Soy allergy

Products containing Soy Isoflavones (Menopause)

Top-scoring supplements in our catalog that list Soy Isoflavones (Menopause) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

See all products →

Evidence notes

Moderate evidence for mild hot flash relief

Grade B: Some human trials support key claims; further confirmation needed.

Related in Phytoestrogen

Check a full stack

Formulate's free interaction checker lets you paste in any combination of supplements and medications at once — every pairing flags severity, timing, and cited evidence.

Open the checker

Where does Soy Isoflavones (Menopause) fit in your stack?

Answer two questions and get a stack graded on research — every ingredient scored on the evidence behind it, not the marketing.

Build my stack

2 questions · free · no account needed to start

Also on iPhone — get the free app

📬 Get new guides in your inbox

Evidence-based supplement guides, no spam

We send a short digest when new guides drop — nothing else. No affiliate pushes, no sponsored content, unsubscribe anytime.

Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.