Soy Isoflavones

product on market Capsule Life Extension 🟢 Safety: 100/100
Brand: Life Extension
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

Label for Soy Isoflavones
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Label Data

1 Vegetable Capsule(s) Serving Size
30 Servings
Non-Nutrient/Non-Botanical Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

NovaSoy
135 mg

Other Ingredients

Cellulose Ascorbyl Palmitate Silica

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) Post-Menopause Seniors/Mature (>50 Years) - Women ONLY Gluten Free

Product Information

📋 Directions for Use

Directions: Take one (1) capsule once or twice daily, or as recommended by a healthcare practitioner.

⚠️ Warnings & Precautions

Read the entire label and follow the directions carefully.

Warnings: Keep out of reach of children.

Do not exceed recommended dose. Do not purchase if outer seal is damaged.

Consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

Contains soybeans.

To report a serious adverse event or obtain product information, contact 1-866-280-2852.

🧪 Formulation Notes

Gluten free Non GMO Le certified

Novasoy Brand Soy Isoflavones

Supports postmenopausal bone & cardiovascular health

Additional Information

Scan for product info

Non GMO Le certified

Store tightly closed in a cool, dry place.

Typical soy isoflavone profile: Genistein and its precursor isoform genistin: 28 mg Daidzein and its precursor isoform daidzin: 22 mg Glycitein and its precursor isoform glycitin: 4 mg

Product Details

UPC / SKU 7 37870 16496 8
DSLD Entry Date 2025-04-24
Product Type Non-Nutrient/Non-Botanical
Form Capsule
Brand Life Extension
DSLD ID 328715
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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