Soy isoflavones Powder
Appearance: Brown to Light Yellow Fine Powder
Specification: 20%~90% Isoflavones
Used Part: Dried soybean seeds
Packing: 1kg/bag,5kg/box,25kg/Drum
Sample : Free Sample Available
Stock: In Stock
Delivery Time: Within 1-3 working days after payment
Certificate : ISO/HACCP/FDA Registration/Kosher/Halal
- Free Samples
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Product Introduction
High-Purity Soy Isoflavones Powder for Women's Health Supplement Formulations – Reliable Plant-Based Phytoestrogen Solution
Yanxi Biotech provides Soy Isoflavones Powder with 20%-90% total isoflavones, derived from non-GMO dried soybean seeds using sophisticated ethanol extraction and membrane separation technology, providing excellent quality products. We have more than 10 years of experience in production with natural ingredients and are certified ISO 22000, HACCP, Kosher and Halal. HPLC testing of each production batch ensures correct amounts of the active ingredients genistein, daidzein and glycitein. We have a fully integrated supply chain from raw material cultivation to finished powder, offering stable inventory and speedy delivery in 1-3 working days to more than 100 countries.

What Is Soy Isoflavones Powder?
The product is a high purity bioactive extract from soybean (Glycine max) seeds and hypocotyls. These polyphenolic substances such as genistein, daidzein and glycitein are natural phytoestrogens and bind to the oestrogen receptors (ER-α and ER-β) .
This plant-based molecule tackles the fundamental problem of hormonal standardisation for natural health products. Raw soybeans are not the same as concentrated powder solutions that deliver the therapeutic threshold needed to manage menopausal symptoms and support bone density.
A non synthetic answer to the needs of preventive nutrition. As a SERM (selective oestrogen receptor modulator) its activities can provide some tissue advantages without the undesirable side effects of synthetic hormone therapy.
Technical Specifications
| Item | Specification |
|---|---|
| Product Name | Soy Isoflavones Powder |
| Active Ingredients | Genistein, Daidzein, Glycitein |
| Assay (HPLC) | 20%–90% Total Isoflavones |
| Appearance | Brown to Light Yellow Fine Powder |
| Raw Material | Dried Non-GMO Soybean Seeds |
| Particle Size | 100% Pass 80 Mesh |
| Loss on Drying | ≤5% |
| Ash Content | ≤5% |
| Heavy Metals | ≤10 ppm |
| Total Plate Count | <1000 cfu/g |
| Yeast & Mold | <100 cfu/g |
| Shelf Life | 24 Months (Sealed Storage) |
| Package Options | 1kg/Bag, 5kg/Box, 25kg/Drum |
Core Product Advantages
High Concentration of Bioavailability
Soy Isoflavones Powder is standardised by HPLC analysis to 20%-90% total isoflavones. Adjusted ratio of glycoside to aglycone increases intestine absorption rates relative to raw soy
This exact concentration gives therapeutic levels that successfully manage the vasomotor symptoms of menopause. According to clinical studies, taking 40 to 80 milligrams of isoflavones a day can lessen the frequency of hot flashes in postmenopausal women.
Enhanced Compatibility with Formulation
The light yellow fine powder has excellent flowability and can be directly tableted and encapsulated. Its thermal stability makes it possible to treat at temperatures up to 120°C without degradation of the active chemicals.
It may be easily formulated into women's health supplements, functional beverages and cosmeceuticals. The particle size of 80 mesh guarantees homogeneous dispersion in water-based and lipid matrices.
Quality Assurance Certified
All production is compliant to international food safety standards with complete testing protocols. We are ISO 22000, HACCP, Kosher and Halal certified to help you with your global market compliance needs.
Microbial counts are below industry norms (<1000 cfu/g). Heavy metal content is well below 10 ppm for the protection of end-user health and your brand image.
Primary Application Scenarios
Women's Health Supplement Lines
Our powder is used by formulators as the key active ingredient in hormone balancing capsules and tablets. The phytoestrogen concentration assists in preserving mineral bone density in post-menopausal people.
Typical dosage for the management of vasomotor symptoms is 40-120mg daily. Consistent potency across production batches for reliable clinical outcomes
Fortification of Functional Food and Beverages
Manufacturers use the powder in meal replacement shakes, protein bars and fortified soy drinks. And its pH stability protects the integrity of isoflavones throughout pasteurisation and during its long shelf life.
The nutty distinctive odour complements profiles of soy products . Homogeneous dispersion of liquid formulations is achieved by high speed mixing (250-500 rpm) for 1-3 minutes.
Anti-Aging Cosmeceuticals
Cosmetic chemists utilise the antioxidant potential of the powder to scavenge reactive oxygen species in topical preparations. Regular use is shown to increase skin elasticity and thickness in clinical data.
The ethanol-soluble portion is easily incorporated into serums and creams. Its SERM characteristics promote collagen production without the deleterious systemic hormonal consequences.

Why Choose Yanxi Biotech?
Integrated Supply Chain Mgmt
We have special relationships with soybean growers to ensure a supply of non-GMO raw material. Our farm-to-finished-powder vertical integration has removed supply disruptions that impair your production schedules.
Advanced macroporous resin purification reduces contaminants and preserves isoflavone activity. This managed procedure provides continuous quality above the industry norms.
Fast Global Fulfilment
We are in stock for 20%-80% specs and ship orders within 1-3 business days. Our logistics network covers 100+ countries with optimised shipping routes and local warehouses in Europe and North America.
Professional export documentation assistance makes your customs clearance simple. We take care of regulatory compliance paperwork to speed up cross-border transactions.
Customising Services in Technical
Our professional R&D team is here to solve your formulation challenges. We tailor our isoflavone concentration, particle size distribution and solubility profiles to the precise requirements of your application.
Advice on process optimisation to attain desired bioavailability in final products. Testing of free samples allows confirmation prior to full scale production commitments.

Packaging & Shipping
Standard packaging is 1kg aluminium foil bags, 5kg sealed boxes and 25kg fibre drums with double polyethylene inner linings. All containers are light-resistant and moisture-proof to keep the potency of isoflavones.
We also offer customised packaging for private label needs. For international shipments we use express courier services (DHL, FedEx) for small orders and sea freight for bulk volumes.
Temperature-controlled logistics ensure storage conditions < 25 °C during transport. Certificate of Analysis, MSDS and all required export documents are provided with every shipment for hassle free customs clearance.

FAQ
Q: What purity levels does the product have?
A: We have standardised concentrations from 20% to 90% total isoflavones as confirmed by HPLC. The 40%-60% range is the most popular for dietary supplement applications requiring constant dosing.
Q: How to store the powder after opening?
A: Store in tightly sealed containers in a cool, dry area (below 25°C), away from direct sunlight. Storage conditions Keep in original container, protected from light. Activity is retained for 24 months from date of manufacture.
Q: Do you have supporting regulatory documents?
A: Yes, every batch is supplied with Certificates of Analysis, heavy metals testing reports, microbiological testing results and allergen statements. We can also provide more material for FDA, EFSA or regional regulatory applications.
Q: What is your minimum order quantity?
A: Our MOQ is 1kg for sample testing purposes. Production orders typically start at 25kg to optimize logistics costs while maintaining competitive pricing.
Q: Is the powder suitable for vegan formulations?
A: Absolutely. The product is 100% plant-derived with no animal-sourced processing aids. It complies with vegan, vegetarian, Kosher, and Halal dietary requirements.
Partner With Yanxi Biotech Today
Elevate your women's health product line with pharmaceutical-grade Soy Isoflavones Powder backed by certified quality and reliable supply. Contact our technical team at info@yanxiherbs.com for free samples.
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