Soy Isoflavones Extract®
Non-Nutrient / Non-BotanicalBrand: 21st Century
Net Contents
60 Vegetarian Capsule(s)
Serving Size
1–2 Vegetarian Capsule(s)
Servings Per Container
Not specified
Supplement Form
Capsule
Bar Code (UPC/SKU)
7 40985 22306 2
Product Version
1106
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Vegetarian.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Soy
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1–2 Vegetarian Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Soy Isoflavones Extract | 50 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: Take one (1) or two (2) vegetarian capsules daily with a glass of water before any meal, or as directed by your healthcare provider. Do not exceed recommended dosage.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Do not take if you are pregnant or breast-feeding.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if product appears to be tampered with or seal is broken.
Precautions re: All Other
Consult your medical practitioner before using this product. This product is for adult use only.
Storage
Storage
Store at room temperature.
Formulation
Formula re: Contains
Contains a soy ingredient.
Formula re: Type
Soy has been the topic of many new studies regarding heart & bone health in addition to supporting the needs of menopausal women.
Formulation re: Does NOT Contain
No Added Sugar, Salt, Yeast, Preservatives or Artificial Flavors.
Formulation re: Vegetarian/Vegan
100% Vegetarian Formula
FDA Statements
FDA Statement of Identity
Dietary Supplement
FDA Disclaimer Statement
*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Other Label Statements
Seals/Symbols
MADE IN USA
General: Product/Version Code
1106
General Statements: All Other Content
HERBAL EXTRACT
General Statements: All Other Content
Natural Phytoestrogens For Female Body, Heart & Bone Health*
Brand IP Statement(s) re: (c), (TM), (SM)
21ST Century(R)...for a healthier future.
General Statements: All Other Content
Unconditionally guaranteed for purity, freshness and label potency.
Brand IP Statement(s) re: (c), (TM), (SM)
21st Century's(R) uses only the highest concentration of Soy Isolflavones extract (40%) comparable to Novasoy(R)*. 21st Century's(R) Soy Isoflavones - the natural choice for menopausal women. *Novasoy(R) is a registered trademark of ADM Corporation.
General Statements: All Other Content
Standardized
Manufacturer & Distributor
Manufacturer
21st Century HealthCare, Inc.
2119 S. Wilson Street, Tempe, AZ, 85282, USA
Market Reference
21st Century Soy Isoflavones Extract 60 Vegetarian Capsules
iHerb4.5(615)$7.99BulkSupplements Soy Isoflavones Capsules
Target$24.97Soy Isoflavones Powder Extract
Prescribed For Life$51.9921st Century Estro Support Max + Energy 30 Count
Walmart - iHerb4.8(49)$13.89Life Extension Soy Isoflavones, 30 vegetarian capsules
Life Extension4.7(500)$18.00Theralogix IsoRel Whole Soybean Extract Supplement
Target4.6(11)$48.2921st Century Women's One Daily Multivitamin/Multimineral 100 Tablets
iHerb4.7(11000)$6.99Natrol Soy Isoflavones
Instacart3.5(169)$13.89
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
ITL Health
5.0 (37)Vitamin & Supplements Shop
50 Broadway, London SW1H 0BL
Holland & Barrett - Strand
3.7 (51)Vitamin & Supplements Shop
406-408 Strand, London WC2R 0NE
Protiv Nutrition
5.0 (1)Vitamin & Supplements Shop
3rd Floor, 207 Regent St., London W1B 3HH
RightNutri
4.9 (78)Vitamin & Supplements Shop
26 Queenstown Rd, London SW8 3RX
Vitopia
4.9 (57)Vitamin & Supplements Shop
18 Wimpole St, London W1G 8GD
Buffalo Nutrition
4.9 (185)Vitamin & Supplements Shop
132 Cricklewood Broadway, London NW2 3EE
Holland & Barrett - Covent Garden
3.7 (60)Vitamin & Supplements Shop
39 Long Acre, London WC2E 9LG
Holland & Barrett - Victoria Street
4.2 (60)Vitamin & Supplements Shop
86 Victoria St, London SW1E 5JL
Research & Studies
An updated review of dietary isoflavones: Nutrition, processing, bioavailability and impacts on human health
K Zaheer, M Humayoun Akhtar - Critical reviews in food science …, 2017 - Taylor & Francis
… Given the potential health implications of diets rich in soy isoflavones, accurate and consistent labeling … The purified soy isoflavones may be marketed as pills, concentrates, or extracts. …
2017527 citationsBiological effect of soy isoflavones in the prevention of civilization diseases
M Pabich, M Materska - Nutrients, 2019 - mdpi.com
… the potential effects of soy isoflavone consumption with regard to civilization diseases. … soy isoflavone supplementation on breast epithelial proliferation and other biomarkers in healthy …
2019197 citationsComprehensive evaluation of the role of soy and isoflavone supplementation in humans and animals over the past two decades
Y Xiao, S Zhang, H Tong, S Shi - Phytotherapy Research, 2018 - Wiley Online Library
… soy isoflavones improve cognitive function in postmenopausal women? A meta-analysis Soy isoflavone supplementation … The soy isoflavone extract plus vitamin D3 was more effective …
2018162 citationsHealth promotion effects of soy isoflavones
S Nakai, M Fujita, Y Kamei - Journal of Nutritional Science and …, 2020 - jstage.jst.go.jp
… It has also been suggested that soy isoflavone intake may … This review focuses on the actions of soy isoflavones known to … on the health promotion and disease prevention effects of soy …
2020134 citationsHealth perspectives on soy isoflavones
M Mikulić, MA Krstonošić, D Sazdanić… - … in soybeans, 2022 - taylorfrancis.com
… The potential health benefits attributed specifically to soy isoflavones encompass cancer … interest in soy-based food products, as well as isoflavones-containing supplements, has …
20228 citationsEffect of S-equol and soy isoflavones on heart and brain
A Sekikawa, M Ihara, O Lopez, C Kakuta… - Current cardiology …, 2019 - ingentaconnect.com
… health benefits of soy isoflavones and introduces S-equol. Second, we review recent evidence on the association of soy isoflavones … that report the association of soy isoflavones and S-…
2019134 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-07-25. DSLD Label ID: 11518. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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