Saltbase
VB-SB50
Mitragynine Saltbase Extract
50%
- Form
- Saltbase
- Purity
- 50%
- Unit
- Per kilogram
- Testing
- CoA included
US$2,500/kg
Inquire
Standardized Kratom & Mitragynine Extracts Science of Purity
Premium kratom extracts engineered for excellence. Standardized by Advanced Isolation Technology — every batch lab-tested with a verifiable Certificate of Analysis.
- Lab-tested
- CoA every batch
- Ships worldwide
- MOQ 1 kg
SPEC · VB-FB70
CoA verified
Mitragynine Extract
70.0%
50–70%
Mitragynine purity range
100%
Batches lab-tested
9+
Global partners
1 kg
Minimum order
What we offer
Precision at every stage
From sourcing to final extraction, our process is built on rigorous scientific standards and total transparency.
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01
Sustainable Sourcing
Ethically sourced botanical materials, prioritizing environmental responsibility and long-term supply chain integrity.
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02
Advanced Isolation
Our proprietary Advanced Isolation Technology delivers consistently standardized alkaloid profiles — batch after reliable batch.
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03
Lab Testing
Comprehensive third-party lab testing on every batch. Full transparency, no exceptions.
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04
CoA & Delivery
Each shipment carries a verifiable Certificate of Analysis and is exported reliably to B2B partners worldwide.
Our catalogue
View full collection
Standardized extracts
Freebase
VB-FB60
Mitragynine Freebase Extract
60%
- Form
- Freebase
- Purity
- 60%
- Unit
- Per kilogram
- Testing
- CoA included
US$3,000/kg
Inquire
Premium · Freebase
VB-FB70
Mitragynine Freebase Extract · Premium
70%
- Form
- Freebase
- Purity
- 70%
- Unit
- Per kilogram
- Testing
- CoA included
US$3,500/kg
Inquire
Quality assurance
Verified CoA on every batch
Scan the QR code on your batch and access its full Certificate of Analysis — public, immutable, and always accessible.
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Traceable by QR
Every container links directly to the lab report for that exact batch.
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Globally compliant
Our processes align with international quality standards. We export reliably to B2B partners across North America, Europe, and Asia.
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Botanical expertise
Specialized experience in kratom alkaloid isolation, ensuring standardized, repeatable results at scale.
Certificate of Analysis
Batch VB-FB70-2026-041 · Sample
| Test | Specification | Result |
|---|---|---|
| Mitragynine (HPLC) | ≥ 70.0% | 70.4% |
| Heavy metals | USP <232> | Pass |
| Microbial limits | USP <61> | Pass |
| Residual solvents | ICH Q3C | Pass |
| Appearance | Fine powder | Conforms |
Sample layout · not a real batch resultVERIFIED
About Velthra Bio
Trusted. Verified. Global.
Velthra Bio is the only source for Standardized Extracts with Verifiable Purity — tested and trusted by partners around the world. We are dedicated to sourcing and delivering high-quality botanical extracts while prioritizing sustainability.
“We deliver the true potential of nature through the most precise scientific processes, providing you with a product that is pure, safe, and consistent.”
StandardLab-tested
DeliveryWorldwide
MOQ1 kg
From the source
Where purity begins
From carefully cultivated kratom leaves to precisely standardized extracts — every step of our process is driven by science, transparency, and respect for the plant.
Trusted network
Working with the best partners
FAQ
Frequently asked questions
Quick answers for buyers. Can't find what you need? Contact our team.
What is the minimum order quantity (MOQ)?
The minimum order quantity is 1 kg. All extracts are priced per kilogram.
Which mitragynine extracts does Velthra Bio offer?
Three standardized mitragynine extracts: Saltbase 50% (US$2,500/kg), Freebase 60% (US$3,000/kg) and Freebase 70% Premium (US$3,500/kg).
How can I verify the quality of a batch?
Every batch is lab-tested and comes with a Certificate of Analysis (CoA). Scan the QR code on the container to open the full CoA for that exact batch.
Do you ship internationally?
Yes. Velthra Bio delivers worldwide and exports to B2B partners across North America, Europe and Asia.
Can I request a sample before ordering?
Yes. Contact Velthra Bio at info@velthrabio.com or +66 98 996 4598 to request a sample, a quote or CoA verification.
How are the extracts standardized?
Velthra Bio uses its proprietary Advanced Isolation Technology to deliver consistent, standardized alkaloid profiles batch after batch, confirmed by lab testing.
Get in touch
Let's work together
Ready to source premium standardized extracts? Reach out for pricing, samples, or CoA verification.