ashwagandha leaf extract
Production Method: Botanical Extraction
Active Constituent: Withanolides
Specification: 2.5% (HPLC)
Country of Origin: India
Testing Method: High-Performance Liquid Chromatography (HPLC)
Net Weight: 25 kg
Appearance: Brown-yellow to yellow-brown fine powder, possessing a characteristic, slightly bitter odor
Solubility: Slightly soluble in water; soluble in ethanol
Certifications: ISO9001, Kosher, Halal, FDA, GMP
Packaging: 25 kg/drum; 1 kg/aluminum foil bag
Delivery Terms: FOB, CIF, CFR, EXW, DAP, DDP
Shipping Methods: Express, Air Freight, Sea Freight
Payment Terms: T/T (Wire Transfer) Preferred
Availability: Ample stock; fast and secure shipping
OEM/ODM: Available
Minimum Order Quantity (MOQ): 1 kg
Available to Business Customers Only
- Free Samples
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Premium Ashwagandha Leaf Extract Supplier | BioSpark Biotechnology
BioSpark (Xi'an) Biotechnology delivers ashwagandha leaf extract standardized to 2.5% withanolides via HPLC testing—a high-potency bioactive concentrate sourced from premium Withania somnifera foliage cultivated in India. Not at all like customary root powders, our leaf extricate offers prevalent withanolide thickness, empowering producers to accomplish restorative stress-management measurements in compact conveyance formats.
With ISO9001, GMP, Legitimate, Halal, and FDA certifications, we guarantee batch-to-batch consistency and administrative compliance. Our brown-yellow fine powder breaks down promptly in ethanol and keeps up soundness for 24–36 months beneath appropriate capacity. Whether you require 1 kg tests or bulk orders, we give adaptable OEM/ODM arrangements with Dandy, CIF, and DDP conveyance terms custom-made to your generation timelines.

Why Choose BioSpark for Your Extract Needs?
Quality You Can Trust
Every bunch experiences thorough HPLC examination to confirm withanolide substance. Our progressed research facility tests virtue, overwhelming metals, and microbial security, guaranteeing your details meet universal standards.
Global Supply Expertise
We've transported to over 30 nations over Europe, North America, and Southeast Asia. Our coordinations accomplices handle express, discuss, and ocean cargo with real-time tracking.
Custom Fabricating Support
From equation optimization to private labeling, our group collaborates on small-batch trials or large-scale generation. You characterize the specs—we provide the solution.
Sustainable Sourcing
By utilizing foliage nearby roots, we decrease agrarian squander whereas keeping up power. This whole-plant approach brings down costs without compromising efficacy.

Specification of ashwagandha leaf extract
| Parameter | Details |
|---|---|
| Active Ingredient | Withanolides (Withaferin A, Withanolide B, D) |
| Assay | 2.5% (HPLC) |
| Origin | India |
| Appearance | Brown-yellow to yellow-brown fine powder |
| Odor | Characteristic, slightly bitter |
| Solubility | Slightly soluble in water; soluble in ethanol |
| Net Weight | 25 kg/drum, 1 kg/foil bag |
| Shelf Life | 24–36 months (cool, dry storage) |
| MOQ | 1 kg |
| Certifications | ISO9001, Kosher, Halal, FDA, GMP |
Certificate of Analysis (COA)
Each lot includes:
- HPLC chromatogram confirming 2.5% withanolides
- Heavy metal screening (Pb, As, Hg, Cd)
- Microbial testing (total plate count, yeast, mold, E. coli, Salmonella)
- Pesticide residue report
- Physical & chemical parameters (moisture, ash, particle size)
Request a sample COA for ashwagandha leaf extract before placing your order—transparency builds trust.
|
Product Name:
|
ashwagandha leaf extract
|
|||
|
Latin Name:
|
Withania Somnifera Leaf Extract
|
|||
|
Batch Quantity :
|
1000Kg
|
BatchNumber :
|
GH2026020530
|
|
|
Mfg Date :
|
02,05,2026
|
Exp Date :
|
02,06,2028
|
|
|
Analysis Item
|
Specification
|
Result
|
Method
|
|
|
Assay
|
≥5%
|
5.51%
|
HPLC
|
|
|
Chemical Physical Control
|
||||
|
Appearance
|
Fine powder
|
Conforms
|
Sensory
|
|
|
Color
|
Purplish brown to brown
|
Conforms
|
Vis ua
|
|
|
Odor
|
Characteristic
|
Conforms
|
Gustatory
|
|
|
Sieve Analysis
|
100% pass 80 mesh
|
Conforms
|
CP2020
|
|
|
Loss on Drying
|
≤8%
|
2.4%
|
GB/T5009.3
|
|
|
Residue On Ignition
|
≤5%
|
1.9%
|
GB/T5009.4
|
|
|
Heavy Metals
|
≤10ppm
|
Conforms
|
AAS
|
|
|
Arsenic (As)
|
≤ 2ppm
|
Conforms
|
AAS(GB/T5009.11)
|
|
|
Lead (Pb)
|
≤ 2ppm
|
Conforms
|
AAS(GB/T5009.12)
|
|
|
Cadmium (Cd)
|
≤ 2ppm
|
Conforms
|
AAS(GB/T5009.15)
|
|
|
Mercury (Hg)
|
≤0.1ppm
|
Conforms
|
AAS(GB/T5009.17)
|
|
|
Microbiology Control
|
||||
|
Total Plate Count |
<10000cfu/g |
Conforms |
GB/T4789.2 |
|
|
Yeast & Mold |
<1000cfu/g |
Conforms |
GB/T4789.15 |
|
|
E. Coli |
Negative |
Negative |
GB/T4789.3 |
|
|
Salmonella |
Negative |
Negative |
GB/T4789.4 |
|
|
Staphylococci n |
Negative |
Negative |
GB/T4789 . 10 |
|
|
Parking
|
Packed In Paper-drums and two plastic-bags inside. Net Weight : 25kgs/drum.
|
|||
|
Storage
|
Store in cool & dry place. Do not freeze . Keep away from str ong light and heat .
|
|||
|
Shelf life
|
2 years when properly stored.
|
|||
Certificate
- ISO9001: Quality Management System
- GMP: Good Manufacturing Practice
- Kosher & Halal: Religious dietary compliance
- FDA: U.S. Food and Drug Administration registration
Copies available upon request to support your regulatory filings.

Benefits of Ashwagandha Leaf Extract
Stress & Anxiety Relief
Withanolides lower cortisol levels, making a difference clients feel calmer. Clinical trials appear noteworthy drops in Seen Stretch Scale scores after 8 weeks.
Enhanced Rest Quality
Increases slow-wave rest term and decreases rest idleness, advancing therapeutic rest without grogginess.
Cognitive Support
Protects neurons and hones memory, consideration, and official function—ideal for focus-driven supplements.
Energy & Endurance
Reduces lactic corrosive buildup amid work out, boosting stamina and muscle quality for athletes.
Immune Modulation
Activates macrophages and NK cells, fortifying your body's normal defenses.
Anti-Inflammatory Action
Inhibits COX-2, iNOS, and NF-κB pathways to ease unremitting inflammation.
Men's Vitality
Elevates testosterone and progresses sperm quality, supporting regenerative health.
Antioxidant Protection
Scavenges free radicals to moderate cellular maturing and oxidative stress.
Application Areas
- Dietary Supplements: Capsules, tablets, softgels, gummies
- Functional Beverages: Adaptogenic drinks, herbal teas, energy shots
- Sports Nutrition: Pre-workout blends, recovery powders
- Cosmetics: Anti-aging creams, stress-relief topicals
- Pet Wellness: Calming chews for anxious animals
Our extract's fine particle size ensures smooth blending in any matrix.

Quality Control
Raw Material Screening
We audit Indian farms for non-GMO cultivation practices and verify botanical identity via microscopy.
In-Process Monitoring
Temperature, weight, and dissolvable proportions are logged at each extraction arrange to keep up withanolide integrity.
Finished Item Testing
Third-party labs approve our inner QC comes about. Bunches coming up short any parameter are rejected—no exceptions.
R&D Results
Our pilot considers affirm leaf extricate bioavailability matches root extricate at 40% lower measurements. Collaborative trials with college accomplices investigate novel conveyance frameworks (liposomal, nanoparticle) to improve retention. Information bundles accessible for permitting discussions.

Packaging and Transportation
Standard Packaging
- 25 kg/fiber drum with double polyethylene liner
- 1 kg/aluminum foil bag for R&D samples
Custom Options
Private labeling, branded drums, or bulk totes upon request.
Shipping
- Express (DHL, FedEx): 3–7 days
- Air Freight: 5–10 days
- Sea Freight: 20–35 days
All shipments of ashwagandha leaf extract include phytosanitary certificates and commercial invoices for smooth customs clearance.

After-Sales Service
Technical Consultation
Our formulators answer questions about dosage, compatibility, and stability studies.
Product Replacement
If any batch fails your internal testing, we reship at no charge or issue a full refund.
Reorder Discounts
Volume buyers enjoy tiered pricing and priority production slots.

Qualification Certification
ISO9001 | GMP | Kosher | Halal | FDA
Audit reports and certificate scans sent within 24 hours of inquiry.
Frequently Asked Questions
Q: How does leaf extract differ from root extract?
A: Leaf extricate regularly contains higher add up to withanolides, so you require less—around 125 mg versus 300–600 mg of root powder for proportionate effects.
Q: Is long-term utilize safe?
A: Yes. Clinical trials affirm security when withaferin A levels remain inside restorative ranges.
Q: Does it taste bitter?
A: Withanolides are actually biting, but our refined handle minimizes cruelty. Flavors like vanilla or chocolate cover remaining taste easily.
Q: Is this veggie lover and non-GMO?
A: Completely. Our foliage is non-GMO, and extraction employments aqueous/ethanolic strategies consistent with veggie lover labels.
Q: What's the rack life?
A: 24–36 months in sealed shut holders, absent from warm and light.
Contact Us
Ready to elevate your product line with premium ashwagandha leaf extract? Reach out today for samples, pricing, or technical support.
Email: sales@biosparkcn.com
Send Inquiry
You may like
_1764041963888.webp)

