Phytoestrogen
Red Clover (Isoflavones)
Also known as: Trifolium pratense, Isoflavone extract, Promensil
Isoflavone-rich herb with mild estrogenic activity for menopause symptoms.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Every Red Clover (Isoflavones) product we have scored
| # | Product | Score | Per serving |
|---|---|---|---|
| 1 | Nutricost Mood Complex Capsules | 85 A- | $0.44 |
| 2 | Bluebonnet Nutrition OSTEO-BONE FORMULA | 76 B+ | $1.36 |
| 3 | Bluebonnet Nutrition SUPER BORON BONE FORMULA | 74 B+ | $0.93 |
| 4 | Herb Pharm Red Clover | 72 B | $0.40 |
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 Red Clover (Isoflavones) should I take?
The typical range is 40-160mg isoflavones daily. Several months for effect
When should I take Red Clover (Isoflavones)?
Divided doses. Either way.
Which form of Red Clover (Isoflavones) is best?
Isoflavone extract — Standardized. Other forms in the catalog: Tea/infusion, Capsules.
Is Red Clover (Isoflavones) safe?
Commonly reported: Headache, Nausea, Rash (rare). Serious warnings: Phytoestrogen - caution with hormone-sensitive conditions, Theoretical blood thinning. Safe
Which Red Clover (Isoflavones) supplement scores highest?
Nutricost Mood Complex Capsules, at 85/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.
Primary uses
- Menopause symptoms
- Bone health (mild)
- Cardiovascular (mild)
How it works
- Contains isoflavones (genistein, daidzein, formononetin)
- Mild estrogenic activity
- May reduce hot flashes
- Antioxidant effects
Dosage
- Typical range
- 40-160mg isoflavones daily
- Timing
- Divided doses
- With food
- Either way
- Duration
- Several months for effect
- Special populations
- Menopausal women seeking mild support
Forms
- Isoflavone extract
- Tea/infusion
- Capsules
Safety
Common side effects
- Headache
- Nausea
- Rash (rare)
Contraindications
- Hormone-sensitive cancers
- Blood disorders
- Surgery (stop 2 weeks before)
Products containing Red Clover (Isoflavones)
Top-scoring supplements in our catalog that list Red Clover (Isoflavones) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Mixed evidence, mild effects for menopause
Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.
Related in Phytoestrogen
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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.