Best Isoflavone Supplements of 2026

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 6 Feb 2026

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Isoflavone supplements are a type of dietary supplement that contain compounds found in soybeans and other legumes. These supplements are marketed as a natural way to support women's health, particularly during menopause, due to their ability to mimic the effects of estrogen in the body. Isoflavones have also been studied for their potential to improve bone density and reduce the risk of heart disease. While more research is needed to fully understand their benefits, isoflavone supplements are a popular choice for those looking to improve their overall health and wellbeing.

At a Glance: Our Top Picks

Zipvit Soya Isoflavones 3000mg, 6000mg Daily Dose Cover #TOP 1
Zipvit Soya Isoflavones 3000mg, 6000mg Daily Dose
ftb score rating icon 9.8
SOYA Isoflavones with Red Clover and Kudzu Cover #TOP 2
SOYA Isoflavones with Red Clover and Kudzu
ftb score rating icon 9.7
Health4All SOYA Isoflavones for Menopause Support Cover #TOP 3
Health4All SOYA Isoflavones for Menopause Support
ftb score rating icon 9.5

Top 9 Isoflavone Supplements

#TOP 1

Zipvit Soya Isoflavones 3000mg, 6000mg Daily Dose

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Zipvit Soya Isoflavones 3000mg, 6000mg Daily Dose Cover
Zipvit SOYA Isoflavones 3,000mg, High Strength SOYA Bean Extract 40mg Isoflavones, 120 Vegan Capsules, 4 Months Supply

Zipvit Soya Isoflavones is a powerful supplement designed to support your wellbeing during menopause. Each capsule delivers 3000mg of Soya Isoflavones, which are known for their ability to mimic estrogen in the body, providing a natural alternative to hormone replacement therapy. This vegan-friendly product is free from common allergens, ensuring it fits into various dietary requirements. By incorporating Soya Isoflavones into your diet, you may effectively alleviate symptoms such as mood swings and dryness, helping you feel more balanced and at ease.

What We Like
High strength formula
Supports menopause symptoms
Vegan and allergen-free
Convenient capsule form
Good causes donations
#TOP 2

SOYA Isoflavones with Red Clover and Kudzu

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SOYA Isoflavones with Red Clover and Kudzu Cover
SOYA Isoflavones - 30 Tablets - 1-A-Day - UK Made - Red Clover, Kudzu - Vegan Formula (1 Months Supply) | Letterbox Friendly

SOYA Isoflavones Tablets offer a convenient one-a-day solution for enhancing your diet with essential isoflavones. Each tablet is crafted with a potent blend of Red Clover and Kudzu, making it easier for you to boost your nutritional intake. As a 100% vegan formula, it caters to both vegans and vegetarians, ensuring inclusive health benefits. Manufactured in the UK under strict quality standards, these tablets provide peace of mind with every purchase, knowing you are choosing a trusted British product.

What We Like
One-a-day convenience
100% vegan-friendly
High-quality British manufacturing
Includes Red Clover and Kudzu
Resealable, light-proof packaging
#TOP 3

Health4All SOYA Isoflavones for Menopause Support

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1 count (Pack of 1)
Health4All SOYA Isoflavones for Menopause Support Cover
Health4All SOYA Isoflavones 40mg per Capsule, 60 Capsules 2 Months Supply, Menopause Support Supplement, High Strength SOYA Isoflavones 40% Extract, Non-GMO, Non-Irradiated, 1 a Day | Made in UK

Health4All SOYA Isoflavones is a menopause support supplement made from GMO-free, non-irradiated soybeans. Each capsule delivers a potent dose of Daidzein and Genistein, two phytoestrogens known for their ability to interact with hormones, particularly estrogen. This means you can benefit from natural support during menopause. The product is suitable for both vegetarians and vegans, ensuring that it meets a variety of dietary needs. Plus, it comes in a letterbox-friendly package, making it convenient to receive.

What We Like
GMO-free and non-irradiated ingredients
High absorbable phytoestrogens
Suitable for vegetarians and vegans
Convenient letterbox-friendly packaging
#TOP 4

Solgar Super Concentrated Isoflavones Tablets for Wellness

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Solgar Super Concentrated Isoflavones Tablets for Wellness Cover
Solgar Super Concentrated Isoflavones Tablets - High Concentration - Contains Isoflavone Extract from Soy Germ - Food Supplement - Vegan, Vegetarian, Kosher - Pack of 60

Solgar Isoflavones Tablets are a high-concentration food supplement that provides isoflavone extract from soy germ. These tablets offer a convenient daily dose of 1-2, making it easy for you to incorporate into your routine. Isoflavones are plant-based molecules found in legumes, promoting natural wellness. Solgar's commitment to small batch crafting ensures consistency and purity, giving you confidence in the quality of each tablet.

What We Like
High concentration of isoflavones
Convenient daily dosage
Promotes natural wellness
Crafted in small batches
Eco-friendly packaging
#TOP 5

UKHealthHouse Super Strength Soy Isoflavones Capsules for Menopause

UKHealthHouse Super Strength Soy Isoflavones Capsules for Menopause Cover
UKHealthHouse Super Strength Soy Isoflavones Complex Capsules 500mg x 180

The UKHealthHouse Soy Isoflavones offers plant-based isoflavones that act similarly to estrogen in your body. These capsules are designed to help minimise menopause symptoms, providing relief during a challenging time. They are beneficial not just for women but also have health advantages for men. You can trust the quality of this product, as it features an exceptional formula packed with nutritional values, unmatched in the UK market.

What We Like
Helps minimise menopause symptoms
Plant-based phytoestrogens
Benefits both men and women
High nutritional value
#TOP 6

UKHealthHouse Super Strength Soy Isoflavones for Menopause

UKHealthHouse Super Strength Soy Isoflavones for Menopause Cover
UKHealthHouse High Strength SOYA Isoflavones Capsules 500mg | Soy Isoflavones Supplements Supports Antioxidant & Menopause Balance | Suitable for Vegetarians | 120 Easy-to-Swallow Capsules

The UKHealthHouse Soy Isoflavones is a dietary supplement designed to support women during menopause. Isoflavones, which are plant-based compounds, mimic a weaker form of estrogen, helping to alleviate menopausal symptoms. By incorporating these capsules into your daily routine, you may experience a reduction in discomfort associated with this life stage. Additionally, numerous studies indicate that soy isoflavones offer health benefits for both men and women, making this product a versatile choice for overall wellbeing.

What We Like
Helps minimise menopause symptoms
Contains beneficial plant-based compounds
Supports overall health for all genders
High nutritional value
#TOP 7

Hepatica SOYA Isoflavones 40% Menopause Support

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Hepatica SOYA Isoflavones 40% Menopause Support Cover
Hepatica SOYA Isoflavones 40% | 90 Vegan Capsules | High Strength Menopause & Hormonal Balance Support | 3rd Party Lab Tested | Non-GMO & Soy Extract Supplement

The Hepatica SOYA Isoflavones offer a high-strength dose of natural phytoestrogens to help maintain your hormonal balance. This supplement is designed to ease menopause and perimenopause symptoms, such as hot flushes, night sweats, and mood swings, making daily life more comfortable. It also promotes bone density, supporting your skeletal strength, and contributes to heart health, helping you maintain long-term wellness. By providing a plant-based oestrogen alternative, the Hepatica SOYA Isoflavones assist in regulating hormones naturally for overall well-being.

What We Like
High-strength natural isoflavones
Relieves menopause symptoms
Supports bone density
Promotes heart health
Plant-based hormone support
#TOP 8

UKHealthHouse Super Strength Soy Isoflavones for Menopause

UKHealthHouse Super Strength Soy Isoflavones for Menopause Cover
UKHealthHouse Super Strength Soy Isoflavones Complex Capsules 500mg x 60

UKHealthHouse Soy Isoflavones are designed to help minimise menopause symptoms, providing support during this natural transition. Isoflavones, which are plant-based chemicals similar to estrogen, may help alleviate discomfort and promote wellbeing. These capsules are not only beneficial for women but have also shown health benefits for men. By choosing this product, you ensure you are getting a high-quality formula with excellent nutritional values, making it a wise addition to your health regimen.

What We Like
Helps minimise menopause symptoms
Plant-based phytoestrogens
Beneficial for both genders
High-quality nutritional formula
#TOP 9

Best Naturals Soy Isoflavones 750mg Capsules

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Best Naturals Soy Isoflavones 750mg Capsules Cover
Best Naturals Soy Isoflavones 750 Mg 120 Capsules (120 Count (Pack of 1))

The Best Naturals Soy Isoflavones supplement is designed to help with hot flashes, providing relief for those experiencing this common symptom. It also supports bone health, which is essential for maintaining strong and healthy bones as you age. The capsules contain active ingredients like Genistein, Daidzein, and Glycitein, which are known for their beneficial effects. Additionally, the supplement is standardised to include 3% isoflavones and 3% saponins, ensuring you get a consistent and effective dose in each capsule.

What We Like
Helps relieve hot flashes
Supports bone health
Contains active isoflavones
Standardised ingredient content
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are the benefits of isoflavones?

The potential health benefits of isoflavones may include protection against age-related diseases including cardiovascular disease, osteoporosis, hormone-dependent cancer and loss of cognitive function. The mechanisms involved may include weak oestrogenic action and antioxidant activity.

2. Are isoflavones antioxidants?

Isoflavones are found to be protective antioxidants, which reduce the formation of radicals and ROS by decomposition of hydrogen peroxide without generating radicals, by quenching active singlet oxygen, and by trapping and quenching radicals before they reach a cellular target.

3. Is isoflavones safe to take?

Unconjugated soy isoflavones appear to be safe and well tolerated in healthy postmenopausal women at doses of 900 mg per day.

4. What supplements have isoflavones?

Herbal sources that are rich in isoflavones, including red clover (Trifolium pratense) and alfalfa (Medicago sativa). Like soy, red clover is considered a legume that contains phytoestrogens. In their most common form, soy isoflavones include genistein, daidzein and glycetein.

Editor's Notes

During our isoflavone supplement research, we found 39 isoflavone supplement products and shortlisted 9 quality products. We collected and analyzed 9,159 customer reviews through our big data system to write the isoflavone supplements list. We found that most customers choose isoflavone supplements with an average price of £11.69.

The isoflavone supplements are available for purchase. We have researched hundreds of brands and picked the top brands of isoflavone supplements, including Zipvit, Lindens, Health4All, Solgar, UKHealthHouse.

Written by
Phoebe Cooper Avatar

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."