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Kava Root Extract Powder with Stable Kavalactone Profile
Kava extract sounds simple-until you actually start using it in a formula.Some batches mix fine, others don't. Sometimes the effect feels consistent, sometimes it drifts. Most of the time, it's not the label spec-it's how the extract was made.
That's why we pay more attention to the process itself.From raw kava root selection to extraction and kavalactone standardization, everything is kept under control so the final powder stays stable, flows well, and works the same way across batches. It makes a real difference when you're putting it into capsules, powders, or drink mixes-especially for relaxation and mood-support products where consistency shows up quickly.In short, it's not just about having kavalactones-it's about having an extract you can keep using without second-guessing each batch.
Why our Kava Root Extract
Our Kava Root Extract is developed based on how it performs in real product systems, not just on specification sheets.
1. Stable kavalactone profile
Keeps blending behavior consistent and reduces variation between batches.
2. Controlled sensory impact
Manages bitterness to improve usability in capsules and powders.
3. Low batch-to-batch variation
Ensures consistent performance across long-term production runs.
4. Good powder handling properties
Improves flow and mixing efficiency in multi-ingredient formulations.
This is especially important for modern stress-support formulas combining kava with ingredients like magnesium, L-theanine, or adaptogenic botanicals.
Kavalactones – What Actually Drives Kava Extract Performance
Kava Root Extract is defined by its kavalactones.Key compounds like kavain, DHK, methysticin, yangonin, and desmethoxyyangonin are responsible for its calming profile and are the basis for most product formulations.
While many suppliers focus on increasing total kavalactone content, that alone doesn't guarantee consistent performance. The balance between these compounds plays a big role in how the extract behaves.We keep the kavalactone profile more controlled and balanced, rather than pushing a single compound too high. The result is an extract that feels more stable in formulation and more consistent across different production batches.
Why Kava Ingredients Are Getting Attention Again
Kava is coming back into focus, especially in relaxation and mood-support products such as evening wind-down formulas, stress-support blends, "calm focus" stacks, and sleep-support formulations that avoid melatonin positioning.But once brands start working with it in real production, a few issues usually show up quickly. Batch-to-batch inconsistency, unstable sensory profiles, and concerns around solvent residues are some of the most common challenges across different suppliers.
These problems rarely come from the concept of kava itself, but from how the extract is produced and controlled. That's why ingredient quality is becoming a real differentiator-not just a sourcing decision, but something that directly affects product consistency and user experience.
COA
| Item | Specification | Result |
|---|---|---|
| Product Name | Kava Root Extract Powder | Complies |
| Botanical Source | Piper methysticum | Complies |
| Part Used | Root | Complies |
| Appearance | Fine light yellow to brown powder | Light yellow powder |
| Odor | Characteristic | Complies |
| Taste | Slightly bitter, characteristic | Complies |
| Kavalactones (Total) | ≥ 30.0% | 32.4% |
| Kavain | ≥ 8.0% | 8.7% |
| Dihydrokavain (DHK) | ≥ 6.0% | 6.5% |
| Methysticin | ≥ 3.0% | 3.4% |
| Yangonin | ≥ 2.0% | 2.3% |
| Desmethoxyyangonin | ≥ 2.0% | 2.1% |
| Loss on Drying | ≤ 5.0% | 3.2% |
| Ash Content | ≤ 5.0% | 3.8% |
| Particle Size | 95% pass 80 mesh | Complies |
| Bulk Density | 0.35 – 0.55 g/ml | 0.48 g/ml |
| Heavy Metals (as Pb) | ≤ 10 ppm | < 2 ppm |
| Lead (Pb) | ≤ 2 ppm | 0.6 ppm |
| Arsenic (As) | ≤ 2 ppm | 0.4 ppm |
| Cadmium (Cd) | ≤ 1 ppm | 0.2 ppm |
| Mercury (Hg) | ≤ 0.1 ppm | 0.03 ppm |
| Residual Solvents | Meet USP/EP standards | Complies |
| Pesticide Residue | Meet EU/USP limits | Complies |
| Microbial Total Plate Count | ≤ 10,000 cfu/g | 1,200 cfu/g |
| Yeast & Mold | ≤ 1,000 cfu/g | 120 cfu/g |
| E. coli | Negative | Negative |
| Salmonella | Negative | Negative |
| Storage | Cool, dry place, away from light | Complies |
| Shelf Life | 24 months | Complies |
OEM & Private Label Support – Built for Scalable Production
For brands moving from testing to full product launch, we support OEM development with a focus on production stability and repeatability.
1. Custom kavalactone range options
Adjustable concentrations to match different product positioning and formulation needs.
2. Flexible product positioning
Suitable for relaxation, night-time blends, or stress-support formulations.
3. Multiple supply formats
Available for capsules, sachets, and bulk raw material use depending on production setup.
4. Consistent batch documentation
Each lot is controlled to support repeat production and long-term supply continuity.
This allows smoother scaling from small pilot runs to commercial production without frequent reformulation changes.
Main Applications
1. Oral Supplements
Used in calm-focused wellness formulas, such as:
Relaxation and stress-balance capsules
Evening wind-down supplements
Anti-aging lifestyle blends related to stress fatigue positioning
Botanical combinations with magnesium, L-theanine, or adaptogens
Recommend Dosage:
100 – 250 mg per serving /Up to 400 mg per serving in stronger formulas
2.Skincare & Personal Care
Used mainly for comfort and sensory positioning:
Night creams and calming serums
Soothing masks for sensitive skin concepts
Recommend Dosage:
Leave-on: 0.1% – 1% / Rinse-off: 0.5% – 2%
FAQs
Q1: Why is Kava extract bitter?
Because of naturally occurring kavalactones.
Solution: refined extraction, flavor masking systems, or lower inclusion levels in formulations.
Q2: Can it be used in skincare products?
Yes, but only in low-concentration cosmetic-grade systems.
Solution: keep dosage low, ensure purified extract, and combine with soothing base ingredients.
Q3: Why do different suppliers perform differently?
Because kavalactone profile and extraction process vary significantly.
Solution: require standardized kavalactone content and full batch COA for consistency.
Q4: Can it be combined with other actives?
Yes, commonly used with magnesium, L-theanine, ashwagandha, chamomile, or lavender-based systems.
Bulk Kava Root Extract Supplier
We supply high-quality Kava Root Extract (Kava Kava / Piper methysticum extract) for calm-focused supplements, skincare formulations, and OEM projects, with stable kavalactone standardization and consistent batch quality for commercial production.For samples, specifications, or bulk pricing, contact:sales@botanicalcube.com.
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