Best Soy Isoflavones Supplements

Peter | 23-05-2025

Looking for some of the best Best Soy Isoflavones Supplements? As you may know, there are dozens of brands available in the market such as NOW Foods,Puritan’s Pride,Nutricost,21st Century,Carlyle,GNC and some come with vastly different price tags. Let us help you out here – we have handpicked the Best Soy Isoflavones Supplements for you.

To compile our list, we’ve researched and evaluated a range of the best-selling products on the market. We recommend NOW Foods Best Soy Isoflavones Supplements as our top pick because of its exceptional overall performance. Want to explore more options? Read on! There’s also a buying guide to help you make a wise shopping decision.

Editor's Choice
NOW Foods Supplements, Soy Isoflavones, 60 mg (Plant Compounds Particularly Concentrated in
NOW Foods Supplements, Soy Isoflavones, 60 mg (Plant Compounds Particularly Concentrated in
Premium Pick
Puritan's Pride Non-GMO Soy Isoflavones 750mg, Dietary Supplement with Active Daidzein, Genistein,
Puritan's Pride Non-GMO Soy Isoflavones 750mg, Dietary Supplement with Active Daidzein, Genistein,
Budget Pick
Nutricost Soy Isoflavones 150mg, 180 Veggie Capsules - Gluten Free, Non-GMO, Vegetarian Friendly
Nutricost Soy Isoflavones 150mg, 180 Veggie Capsules - Gluten Free, Non-GMO, Vegetarian Friendly

Top 10 Best Soy Isoflavones Supplements

We researched and compared the top products in the Best Soy Isoflavones Supplements category to provide you with these recommendations.

1. NOW Foods Supplements, Soy Isoflavones, 60 mg (Plant Compounds Particularly Concentrated in

NOW Foods Supplements, Soy Isoflavones, 60 mg (Plant Compounds Particularly Concentrated in
9.8

Now Foods

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  • ENDOCRINE SUPPORT: 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
  • CARDIOVASCULAR HEALTH: Min. 40% total isoflavones (60 mg) including genistein, daidzein, and glycitein
  • CERTIFICATIONS/CLASSIFICATIONS: Sugar Free, Vegan, Nut Free, Non-GMO, Egg Free, Dairy Free, Corn Free, Made without Gluten
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
  • Packaged in the USA by a family owned and operated company since 1968

2. Puritan's Pride Non-GMO Soy Isoflavones 750mg, Dietary Supplement with Active Daidzein, Genistein,

Puritan's Pride Non-GMO Soy Isoflavones 750mg, Dietary Supplement with Active Daidzein, Genistein,
9.5

Puritan's Pride

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  • Highest quality vitamins and supplements
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
  • Scientifically formulated
  • Gluten Free
  • 1 month supply

3. Nutricost Soy Isoflavones 150mg, 180 Veggie Capsules - Gluten Free, Non-GMO, Vegetarian Friendly

Nutricost Soy Isoflavones 150mg, 180 Veggie Capsules - Gluten Free, Non-GMO, Vegetarian Friendly
9.1

Nutricost

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  • 150mg of Soy Isoflavones Per Capsule
  • 180 "Veggie" Capsules Per Bottle
  • 1 Serving, Just 1 Easy-To-Take Capsule
  • Vegan, Nut Free, Sugar Free, Dairy Free, Non-GMO, Gluten free
  • Made in a GMP Compliant, FDA Registered Facility

4. 21st Century Soy Isoflavones Veg Capsules, 60Count

21st Century Soy Isoflavones Veg Capsules, 60Count
8.9

21st Century

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  • It contains vegetarian formula.
  • Natural soy for female body, heart & bone health support
  • 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.
  • 60Count

5. Carlyle Soy Isoflavones for Women and Men 1500mg | 200 Capsules | Non-GMO, Gluten Free Extract

Carlyle Soy Isoflavones for Women and Men 1500mg | 200 Capsules | Non-GMO, Gluten Free Extract
8.7

Carlyle

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  • SOY ISOFLAVONES: Beneficial plant compound and a type of plant estrogen found naturally in Soy
  • STANDARDIZED EXTRACT: 1,500 mg Soy Isoflavones Extract per serving for maximum support
  • ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living
  • CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Artificial Sweetener, Preservatives & Non-GMO

6. GNC SuperFoods Soy Isoflavone Concentrate, 90 Capsules, Supports for Bone and Heart Health

  • GNC SuperFoods Soy Isoflavone Concentrate provides support for bone and heart health. Emerging research indicates that soy isoflavones can help maintain healthy bone density and support heart health.
  • GNC Superfoods Soy Isoflavone Concentrate uses only Non-Genetically Modified (Non-GMO) soybeans that have not been altered to raise or enhance the level of naturally occurring isoflavones.
  • 3 MONTH SUPPLY: 50mg of Soy Isoflavone Concentrate packed into one convenient capsule
  • DIETARY SUPPLEMENT: No sugar, no artificial colors, no artificial flavors, sodium free, no wheat, gluten free, no soy, no dairy
  • NON-GMO: Derived from non-genetically modified soybeans

7. Like Mine Soy Isoflavones (100 Capsules), Pure & Natural, Dietary Supplement, No Fillers

Like Mine Soy Isoflavones (100 Capsules), Pure & Natural, Dietary Supplement, No Fillers
8.3

Like Mine

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  • Like Mine Soy Isoflavones Capsules have single ingredient formulations for simplicity and purity
  • Celebrate your unique individual strength with our selection of supplements to help you reach your best you
  • We don't add fillers or additives to our Soy Isoflavones supplement, meaning you get only what you're looking for
  • All products are tested for purity and quality to ensure you are receiving only the best
  • Packaged in the USA

8. Life Extension Soy Isoflavones, Heart, Bone & Cellular Health Support for Post-menopausal Women,

Life Extension Soy Isoflavones, Heart, Bone & Cellular Health Support for Post-menopausal Women,
8

Life Extension

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  • Encourage heart health Soy isoflavones are phytoestrogens (plant estrogens) that can help maintain already healthy blood pressure and healthy blood lipid levels and encourage heart health in women as they age.
  • Support strong bones Soy is well-known for helping maintain healthy bone density, especially in women who have already gone through menopause. Soy isoflavones also help fight oxidative stress, contributing to wellness and healthy aging.
  • Standardized soy extract This soy extract has been standardized to 40% isoflavones and provides the isoflavones genistein, daidzein, and glycitein, phytoestrogens known for their beneficial health effects.
  • Ingredients matter We use the finest raw ingredients with the quality and purity you deserve. The majority of our products are non-GMO, gluten-free and manufactured in the USAand a Certificate of Analysis is available for every one.
  • Live your healthiest life We believe the answers to a healthier life are in reach, and that scientific research is the key to getting there. Thats why so many of our formulas feature specific ingredients and amounts based on scientific studies.

9. Best Naturals Best Naturals Soy Isoflavones for Women 750 Mg Capsules, 120 Count

Best Naturals Best Naturals Soy Isoflavones for Women 750 Mg Capsules, 120 Count
7.9

Best Naturals

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  • 3rd Party Lab Tested for Purity & Quality.
  • 750 mg of Soy Isoflavones per Capsule - 120 Capsules per Bottle.
  • Non-GMO & Gluten-Free.
  • Proudly Made in USA, GMP Compliant, FDA Registered Facility.
  • No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.

10. Piping Rock Soy Isoflavones | 1500 mg | 180 Capsules | Non-GMO, Gluten Free Extract Supplement

Piping Rock Soy Isoflavones | 1500 mg | 180 Capsules | Non-GMO, Gluten Free Extract Supplement
7.7

Piping Rock

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  • Beneficial plant compound
  • Standardized to contain 150 mg Isoflavones per serving
  • Quick release capsules
  • Non-GMO and Gluten Free
  • Laboratory Tested, using Trusted Ingredients

Peter

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