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Soy Isoflavones

product on market Capsule Swanson Premium Brand Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Soy germ complex provides isoflavones, which are researched for their role in managing menopausal symptoms and supporting hormonal balance. Current evidence for these effects is generally considered moderate. This specific formulation maintains a high safety profile for general use.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Soy Isoflavones
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 60.0mg (94 products) 13 studies (A:0, B:7)

Other Ingredients

Gelatin Microcrystalline Cellulose Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement, take one capsule three to four times per day with water.

Warnings & Precautions

Do not use if seal is broken.

Keep out of reach of children.

Contains soy.

Formulation Notes

Contains soy.

Additional Information

Bringing wellness to the world since 1969

Guaranteed purity & potency

Store in a cool, dry place.

SW1559 Rev 0 07 12 17

To reorder, call toll free 1-800-437-4148 or visit our website at www.swansonvitamins.com

Metadata

Product Details

UPC / SKU0 87614 11559 7
DSLD Entry Date2019-02-25
Product TypeBotanical
FormCapsule
BrandSwanson Premium Brand
DSLD ID186348
Data Updated2026-04-11
Research

Research Evidence

16
Research Sources
51
Avg Quality
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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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.