Best Isoflavone Antioxidant Supplements of 2026

Carlyle Soy Isoflavones offers a powerful dose of 1,500 mg soy isoflavones per serving, providing you with a natural plant compound that acts like plant estrogen. This can support your overall wellness by promoting balance in your body. The supplement is carefully standardized, ensuring you get a consistent and effective amount in every capsule. Carlyle is a trusted brand that focuses on quality and honesty, so you can feel confident about the supplement you’re taking. Plus, the product undergoes lab testing to guarantee purity and superior quality, giving you peace of mind with every use.

Puritans Pride Non-GMO Soy Isoflavones 750 Mg is a scientifically formulated multivitamin supplement that may help with hot flashes in menopausal women. It is gluten-free and provides a 1-month supply. Customers should be available during product delivery to prevent melting or damage due to exposure to heat or sunlight. During the summer months, Amazon stores and ships products according to the manufacturer's recommendations.

NOW Soy Isoflavones offer a powerful boost for your endocrine system by delivering higher amounts of genistein, a key plant compound known for its beneficial effects. This supplement supports heart health with a minimum of 40% total isoflavones, including genistein, daidzein, and glycitein, which are all important for cardiovascular wellness. You’ll appreciate its clean formula, as it’s free from common allergens and genetically modified ingredients, making it suitable for many dietary needs. Plus, the product is made under strict quality controls, ensuring you get a reliable and potent supplement every time.

The Like Mine Soy Isoflavones supplement offers a simple, single-ingredient formula that helps you focus on purity and effectiveness. With no fillers or additives, you get exactly what you need for your health without unnecessary extras. This product supports your unique strength, encouraging you to reach your personal best through natural supplementation. Plus, every capsule undergoes strict purity and quality testing, so you can trust you’re taking a safe and reliable product designed to support your well-being.

NOW Supplements Super Antioxidants is a vegan, comprehensive blend of herbal extracts and flavonoids, including green tea extract, milk thistle extract, turmeric root extract, quercetin, bromelain extract, rosemary, grape seed extract, ginkgo biloba extract, ginger root, hawthorn extract, cranberry powder, and bilberry extract. It is certified vegan, quality GMP assured, soy free, sugar free, nut free, dairy free, egg free, corn free, low sodium, and made without gluten. Customers have reported feeling better after taking the supplement, with some noting improved blood work and fewer headaches.

The VAITE Soy Isoflavones Gummies are designed to help you manage hormonal balance and ease common menopause symptoms like hot flashes and mood swings. These vegan chewable gummies contain plant-based phytoestrogens such as genistein, which support your bone health and overall hormonal wellness. They are convenient and easy to take wherever you go, fitting perfectly into your busy lifestyle. In addition to helping maintain your energy and mood, these gummies promote bone strength, helping you stay active and confident every day.

The Vital Nutrients Genistein Supplement offers a natural way to support your immune system with antioxidant-rich genistein, helping your body respond healthily to daily challenges. This supplement contains genistein in a concentrated, easily absorbed form that acts similarly to estrogen, which can be especially beneficial for premenopausal women. It also helps reduce oxidative stress thanks to its plant-based antioxidant properties. Plus, the formula is clean and vegan-friendly, free from common allergens like gluten, dairy, nuts, and artificial additives, making it a convenient choice for those with dietary restrictions or preferences.

The Lukaree Women's DIM Capsules offer strong support for women's health with 400mg of DIM combined with black cohosh and soy isoflavones to help balance your inner wellness daily. It also includes antioxidants like alpha-lipoic acid, vitamin E, and astaxanthin to promote healthy skin and overall metabolism, while vitamin B12 helps maintain your energy and calm. The supplement uses advanced liposome technology and an enteric-coated capsule to ensure slow, steady absorption in your intestines, which helps protect your stomach. Additional ingredients like black pepper, turmeric, bromelain, probiotics, and aloe vera work together to improve nutrient absorption and keep your digestive system comfortable throughout the day.

The Lukaree DIM Capsules provide strong support for women’s health by combining 400mg of DIM with black cohosh and soy isoflavones, helping you maintain hormonal balance and overall wellness. It also includes antioxidants like alpha-lipoic acid, vitamin E, and astaxanthin that support your skin health and metabolism, promoting a refreshed and energized feeling. Vitamin B12 adds an energy boost to help you stay calm and relaxed throughout the day. The capsules use advanced liposomal technology and an enteric coating to ensure gentle, slow release and better absorption in your digestive system, making it easier on your stomach and improving how your body absorbs the nutrients.

The Lukaree DIM Women Capsules offer a powerful blend designed to support your overall wellness. With 400mg of DIM combined with black cohosh and soy isoflavones, this supplement helps maintain your hormonal balance and inner health. It also includes antioxidants like alpha-lipoic acid, vitamin E, and astaxanthin to protect your skin and boost metabolism, promoting a healthy glow and energy levels. The advanced liposomal delivery and enteric-coated capsules ensure the nutrients are absorbed steadily and gently, reducing stomach discomfort. Plus, added black pepper and turmeric extracts enhance absorption, while probiotics and aloe vera support digestive comfort, making daily use easy and effective.