Genistein Soy Supplement Powder®

Non-Nutrient / Non-Botanical

Brand: Source Naturals

PowderNon-Nutrient/Non-BotanicalOn Market

Functions

Women's Health

Product label for Genistein Soy Supplement Powder — Click to view full label

Net Contents

100 Gram(s)

Serving Size

2.5 Gram(s)

Servings Per Container

Supplement Form

Powder

Bar Code (UPC/SKU)

0 21078 01306 8

Product Version

SN1306 REV F183

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

4Active Ingredients

4 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Label includes a proprietary blend, so some individual amounts are not itemized.

2% Daily Value Coverage

2 ingredients report an established %DV per serving.

3Dietary Attributes

Label states: Vegetarian, Non-GMO, Gluten-Free.

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

Milk
Egg
Wheat
Soy
Gluten

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: 2.5 Gram(s) · 2 per day

Ingredient	Amount Per Serving	% Daily Value
Calories	10 Calorie(s)	—
Total Carbohydrates	1 Gram(s)	1%
Protein	1 Gram(s)	2%
SoyLife non-GMO Isoflavone Complex(Soy)	2.5 Gram(s)	—
Daidzein	19 mg	—
Glycitein	8.25 mg	—
Genistein	2.5 mg	—
Total Isoflavones	50 mg	—

Percent Daily Values (%DV) are based on a 2,000 calorie diet.

Target Groups

VegetarianAdult (18 - 50 Years)Gluten FreeDairy Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: 1 teaspoon mixed with water or juice, twice daily with a meal.

Warnings & Precautions

Precautions re: Allergies

Contains soy.

Precautions re: Pregnant or Nursing or Prescription Medications

Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Precautions re: All Other

Do not use if either tamper-evident seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Formulation

Formula re: Contains

Isoflavones are unique polyphenol compounds which are found in the soybean plant. Research suggests that soy protein and soy isoflavones may reduce the frequency and severity of hot flashes during menopause. Source Naturals genistein contains 50 mg of SoyLife isoflavones per serving which are naturally occurring and come from non-GMO soy. Convenient to mix with water or juice. One teaspoon provides slightly more isoflavones than two 1,000 mg tablets.

Formulation re: Vegetarian/Vegan

Suitable for vegetarians.

Formulation re: Does NOT Contain

Contains no yeast, dairy, egg, gluten, corn or wheat. Contains no starch, preservatives, or artificial color, flavor or fragrance.

Formulation re: Does NOT Contain

Non GMO Validated

Formula re: Type

FDA Statements

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

These statements have 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

Non GMO Validated

Brand IP Statement(s) re: (c), (TM), (SM)

SoyLife is a registered trademark of Frutarom USA, Inc.

Manufacturer & Distributor

Distributor

Source Naturals, Inc.

P. O. Box 2118, Santa Cruz, CA, 95062

Market Reference

$11.07 – $18.46· 2 listings

Source Naturals Genistein Soy Complex
iHerb4.5(492)
$18.46
Source Naturals Eternal Woman Genistein Soy Complex 60 Tablets
drnutrition.com4.5(415)
$11.07Lowest

Where to Buy Locally

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Holland & Barrett - Corby
4.2 (17)
Vitamin & Supplements Shop
43 Queen's Sq, Corby NN17 1PD
Directions 0330 058 2640
Supps Supplements LTD
Vitamin & Supplements Shop
Eismann Way, Corby NN17 5ZB
Directions 07395 490694
Maximum Nutrition
4.8 (110)
Vitamin & Supplements Shop
605 Lincoln Rd, Peterborough PE1 3HA
Directions 01733 565125
Serenova Nutrition Limited
Vitamin & Supplements Shop
Brakey Rd, Corby NN17 5LU
Directions 01536 403344
Onvit Nutrition
5.0 (4)
Vitamin & Supplements Shop
3 Brassey Cl, Peterborough PE1 2AZ
Directions 07791 290848
Holland & Barrett - Corby Tesco
3.8 (4)
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Tesco Extra, St James Industrial Estate, St James Rd, Corby NN18 8AL
Directions 0330 058 2640
Holland & Barrett - Kettering
3.9 (34)
Vitamin & Supplements Shop
Unit 8 Newland St, The Newlands, Kettering NN16 8JL
Directions 0330 058 2640
Holland & Barrett - Rushden Lakes
4.6 (40)
Vitamin & Supplements Shop
South Way A1c, South Terrace, Rushden NN10 6FS
Directions 0330 058 2640

Research & Studies

Analysis of isoflavones in natural sources and nutritional supplements by liquid chromatography and multi-channel electrochemical detection
F Tian, Y Zhu, F Xie, H Long, CT Duda… - Journal of liquid …, 2002 - Taylor & Francis
… A nutritional supplement sample consisted of 15 tablets or capsules … foods or supplements were ground into a fine powder using a mortar and pestle. A 0.25 g portion of each powdered …
200215 citations
Genistein as a dietary supplement; formulation, analysis and pharmacokinetics study
A Mamagkaki, I Bouris, P Parsonidis, I Vlachou… - PLoS …, 2021 - journals.plos.org
… For the genistein marketed formulation the correction factor was determined by weighing the powder extract from the capsule, and this value was divided by the weight of genistein in …
202116 citations
Food-grade extraction and capsule formulation of genistein-rich soybean extract for nutraceutical applications
J Napaporn, L Charoenchai, B Yingngam, T Phohom… - Phytomedicine Plus, 2025 - Elsevier
The nutraceutical industry faces major challenges, as conventional genistein extraction relies on toxic solvents, which limits scalability and regulatory compliance. This study introduces …
20252 citations
Bioavailability of pure isoflavones in healthy humans and analysis of commercial soy isoflavone supplements
KDR Setchell, NM Brown, P Desai… - … of nutrition, 2001 - academic.oup.com
The pharmacokinetic behavior of naturally occurring isoflavones has been determined for the first time in healthy adults. We compared plasma kinetics of pure daidzein, genistein and …
20011,295 citations
Isoflavones in food supplements: chemical profile, label accordance and permeability study in Caco-2 cells
IMC Almeida, F Rodrigues, B Sarmento, RC Alves… - Food & Function, 2015 - pubs.rsc.org
… The supplements in the evaluation were in the form of tablets or capsules, and ten from each product were sampled. Tablets were ground to a fine powder using a glass mortar and …
201534 citations
Isoflavone content of the soy based supplements
T Nurmi, W Mazur, S Heinonen, J Kokkonen… - … of pharmaceutical and …, 2002 - Elsevier
… In the present study, isoflavone content of the 15 soy based … soy isoflavones in aglycones after the hydrolysis and to determine whether the isoflavone content data of the supplements …
2002138 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-02-26. DSLD Label ID: 214150. 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.