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Soy Isoflavones

product on market Capsule NOW 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 isoflavones are phytoestrogens that may help manage menopausal symptoms and support bone health. Research provides moderate evidence for their role in reducing hot flashes. The overall evidence coverage for this specific formulation is limited.

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 Veg Capsule(s)
Serving Size
Non-Nutrient/Non-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

Rice Flour Cellulose Silica Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: Take 1 capsule 1 to 3 times daily.

Warnings & Precautions

Caution: For adults only.

Consult physician if pregnant/nursing, taking medication, or have a medical condition.

Keep out of reach of children.

Not manufactured with wheat, gluten, corn, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Formulation Notes

NOW Soy Isoflavones have been extracted through a unique process that results in higher levels of Genistein – a quantum leap over most Soy Isoflavone products.

~ 60 mg of Isoflavones

Vegetarian/Vegan

Not manufactured with wheat, gluten, corn, milk, egg, fish, shellfish or tree nut ingredients.

Additional Information

Isoflavones are naturally occurring plant compounds that are particularly concentrated in soybeans. Genistein, Daidzein and Glycitein are the major isoflavones found in soybeans.

Natural color variation may occur in this product.

CODE 3288 V3

CAPSULE SIZE

Endocrine Support*

~ Cardiovascular Health*

Non-GMO

General Health

Family owned since 1968.

Store in a cool, dry place after opening.

Please Recycle.

GMP QUALITY ASSURED

Metadata

Product Details

UPC / SKU7 33739 03288 1
DSLD Entry Date2016-03-24
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
BrandNOW
DSLD ID57317
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.