We have five factories and 23 years of experience in plant extracts
  • 0086-571-85302990
  • sales@greenskybio.com

Technical Articles

We hold regular seminars and welcome inquiries if you have any questions

Let's talk

Withania Somnifera Root Extract

2026-06-22

Withania Somnifera Root Extract

Product Overview

Product Name: Withania Somnifera Root Extract (Ashwagandha Root Extract)  Active Compound: 1% Withanolides  Extraction Ratio: 4:1 (Drug Extract Ratio)  Carrier: Without Carrier (100% Pure Extract)  Appearance: Light Brown to Brown Powder  Solubility: Partially water-soluble

What is Withania Somnifera Root Extract?

Withania somnifera, commonly known as Ashwagandha or Indian Ginseng, is one of the most important herbs in Ayurvedic medicine. Our 4:1 root extract is standardized to 1% withanolides, the primary bioactive compounds responsible for its adaptogenic, anti-stress, and vitality-enhancing properties, without any carrier or filler.

Manufacturing Process

Raw Material Selection

  • Sourced from authenticated Withania somnifera roots

  • 3-4 year old plants for optimal withanolide content

  • Organic or conventional (certified)

Preparation

  • Cleaning and washing

  • Drying at controlled temperature (<60°C)

  • Crushing or grinding

Extraction Method

  • Process: Water or water-alcohol extraction

  • Temperature: 70-80°C

  • Duration: 2-3 hours per cycle

  • Cycles: Multiple extractions for maximum yield

  • Ratio: 4:1 drug-to-extract ratio

Concentration

  • Vacuum concentration under reduced pressure

  • Temperature controlled to preserve withanolides

  • Removal of excess solvent

Drying

  • Spray drying or vacuum drying

  • Final moisture content: <5%

  • Particle size: 80-100 mesh

  • NO CARRIER - 100% pure extract

Standardization

  • Withanolide enrichment to 1%

  • HPLC verification

  • No synthetic additives or carriers

Quality Testing Methods

Test MethodParameterSpecification
HPLCWithanolides (Total)≥1%
HPLCWithaferin ACharacteristic content
HPLCWithanolide ACharacteristic content
TLCIdentityPositive for Withania
UV-VisTotal WithanolidesSpectrophotometric verification
ICP-MSHeavy MetalsPb <2ppm, As <1ppm, Cd <0.5ppm, Hg <0.1ppm
GC-MSPesticide ResiduesComplies with EU/USP
MicrobiologyTotal Plate Count<1000 CFU/g
MicrobiologyYeast & Mold<100 CFU/g
MicrobiologyE. coli, Salmonella, S. aureusNegative
Loss on DryingMoisture<5%

Usage and Recommended Dosage

For Dietary Supplements

  • Capsules: 500-1000mg per serving

  • Daily Dosage: 1000-2000mg standardized extract

  • Timing: Can be taken morning or evening; with or without food

For Stress & Anxiety

  • Stress Support: 500mg 2 times daily

  • Anxiety Relief: 600-1000mg daily

  • Cortisol Management: 500mg morning and evening

For Energy & Vitality

  • Energy Support: 500-1000mg daily

  • Athletic Performance: 500mg before workout

  • Endurance: 1000mg daily

For Sleep Support

  • Sleep Quality: 600mg 1-2 hours before bedtime

  • Restless Sleep: 500-1000mg evening dose

For Cognitive Health

  • Memory Support: 500-1000mg daily

  • Focus & Concentration: 500mg 1-2 times daily

  • Brain Health: Long-term daily supplementation

Storage Conditions

  • Temperature: Store in cool, dry place (15-25°C)

  • Humidity: Relative humidity <60%

  • Light: Protect from direct sunlight

  • Packaging: Aluminum foil bags or fiber drums with PE liner

  • Shelf Life: 24 months from manufacturing date

  • After Opening: Use within 6 months; reseal tightly

Applications

Health & Wellness

  • Adaptogenic supplements

  • Stress relief formulations

  • Anxiety support products

  • Energy and vitality supplements

  • Sleep quality products

  • Cognitive health supplements

  • Male reproductive health

  • Thyroid support formulations

Sports Nutrition

  • Performance enhancement

  • Recovery formulations

  • Endurance supplements

  • Strength training support

Functional Foods

  • Adaptogenic powders

  • Stress relief beverages

  • Energy tonics

  • Wellness blends

Cosmetics

  • Anti-aging formulations

  • Skin vitality products

  • Hair health supplements

SEO Keywords

Primary Keywords:

  • Withania somnifera root extract

  • Ashwagandha extract 1% withanolides

  • Ashwagandha powder no carrier

  • Ashwagandha root supplier

  • Pure ashwagandha extract

Long-tail Keywords:

  • Ashwagandha for stress relief

  • Natural adaptogen supplement

  • Ashwagandha for anxiety

  • Cortisol support botanical

  • Ashwagandha for energy and vitality

Technical Keywords:

  • 4:1 ashwagandha extract

  • 1% withanolides HPLC

  • No carrier Withania extract

  • GMP certified botanical extract

  • Third-party tested ashwagandha


General Quality Assurance

Our Commitment

All botanical extracts are manufactured following:

  • GMP (Good Manufacturing Practices) certification

  • ISO 22000 or FSSC 22000 food safety standards

  • Third-party testing for identity, purity, and potency

  • Certificate of Analysis (CoA) provided with each batch

  • Traceability from seed to finished extract

Documentation Provided

  • Certificate of Analysis (CoA)

  • Specification Sheet

  • Safety Data Sheet (SDS)

  • Allergen Statement

  • Non-GMO Declaration (if applicable)

  • Organic Certificate (if applicable)

  • Kosher/Halal Certificates (if applicable)

  • Stability Data

Packaging Options

  • Sample Sizes: 100g, 500g, 1kg aluminum foil bags

  • Standard: 5kg, 10kg, 25kg aluminum foil bags

  • Bulk: 25kg fiber drums with PE liner

  • Custom: Private labeling and custom packaging available

Shipping & Storage

  • Shipping: Worldwide via air, sea, or express courier

  • Lead Time: 3-7 days for stock items; 15-30 days for custom orders

  • Storage: Follow individual product storage conditions

  • Shelf Life: 24-36 months from manufacturing date (varies by product)


TAGS:
Get a Quote