Standardized Black Cohosh & Soy Isoflavones 100% Vegetarian

product on market Capsule 21st Century 🟢 Safety: 100/100
Brand: 21st Century
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Vegetarian Capsule(s) Serving Size
100 Servings
Botanical Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

100 mg
📊 Market median: 80.0mg (136 products)
Median 80.0mg This product: 100mg
80 mg
📊 Market median: 60.0mg (94 products) 📚 13 studies (Tier A: 0, B: 7)
This product: 80mg

Other Ingredients

Rice Bran Oat Fiber Vegetable Cellulose Magnesium Silicate Magnesium Stearate

Label Claims — Verification

❓ All Other
❓ Structure/Function
All Other (100% of products) Structure/Function (79% of products) Nutrient (5% of products)

Target Groups

Vegetarian Menopause Seniors/Mature (>50 Years) - Women ONLY

Product Information

📋 Directions for Use

Directions: Take two (2) vegetarian capsules daily - one (1) in the morning and one (1) in the evening with meals for maximum daily results, or as directed by a medical practitioner. Do not exceed recommended dosage

⚠️ Warnings & Precautions

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

This product contains a soy ingredient.

🧪 Formulation Notes

100% VEGETARIAN

No added Sugar, Salt, Yeast, Preservatives, Artificial Flavors or Colors.

Black Cohosh Extract (Cimicifuga racemosa) is a beneficial supplement during menopause.*

Maximum Strength Formula with Isoflavones for Nutritional Support During Menopause*

Additional Information

0312

Black Cohosh is recommended by the German Kommission E and is backed by 40 years of research. Allow between 4 and 6 weeks for dramatic results. 21st Century's standardized herbal extracts are thoroughly tested to assure specific levels of the important active ingredients are present for maximum benefit.

Store at room temperature.

HERBAL EXTRACT

200 COUNT

MADE IN USA

LABORATORY TESTED GUARANTEED QUALITY

Product Details

UPC / SKU 7 40985 21724 5
DSLD Entry Date 2013-04-25
Product Type Botanical
Form Capsule
Brand 21st Century
DSLD ID 20664
Data Updated 2026-04-11

Research Evidence

16 Research Sources
51 Avg Quality Score
7 Meta Analysis
6 Rct
2 Clinical Trial
1 Systematic Review
B Soy isoflavones prevent bone resorption and loss, a systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2020
PubMed DOI
B Isoflavone intervention and its impact on bone mineral density in postmenopausal women: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA 2024
PubMed DOI
B Effects of Soy Isoflavones on Biochemical Markers of Bone Metabolism in Postmenopausal Women: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Meta Analysis International journal of environmental research and public health 2021
PubMed DOI
B Effects of isoflavone interventions on bone turnover markers and factors regulating bone metabolism in postmenopausal women: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis Archives of osteoporosis 2024
PubMed DOI
B Effects of isoflavone interventions on bone mineral density in postmenopausal women: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA 2020
PubMed DOI
C Effects of soy isoflavone supplements on bone turnover markers in menopausal women: systematic review and meta-analysis of randomized controlled trials
Meta Analysis Bone 2010
PubMed DOI
C Cholesterol-lowering effect of soy protein in normocholesterolemic and hypercholesterolemic men
Rct The American journal of clinical nutrition 1998
PubMed DOI
C Impact of phytoestrogens on treatment of urogenital menopause symptoms: A systematic review of randomized clinical trials
Systematic Review European journal of obstetrics, gynecology, and reproductive biology 2021
PubMed DOI
C Identification of the Key Active Pharmaceutical Ingredients of Yishen Qutong Granule, A Chinese Medicine Formula, In The Treatment of Primary Lung Cancer
Meta Analysis Combinatorial chemistry & high throughput screening 2023
PubMed DOI
C Assessing the combined effects of Black Cohosh, Soy Isoflavones, and SDG Lignans on menopausal symptoms: a randomized, double-blind, placebo-controlled clinical trial.
Rct European journal of nutrition
PubMed DOI
View all evidence for Soy →

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