Active ingredients: Ergothionine
Other Name: L-Ergothioneine
CAS No.:497-30-3
Specification: ≥99%
Appearance: White fine powder
Solubility: Soluble in water and ethanol.
Test Method: HPLC
Sample: 10-50g Sample For free
MOQ: 1kg
Certificate: ISO22000, Kosher, Halal, Organic(EU), USDA, FSSC 22000, FDA, SGS
Ergothioneine, also known as EGT or L-Ergothioneine, is a naturally occurring amino acid derivative with powerful antioxidant properties. This key bioactive compound helps protect cells from oxidative stress and supports cellular health, making it a popular ingredient in dietary supplements and functional foods. Our Ergothioneine Powder is precisely formulated to retain high purity and stability, ensuring maximum efficacy in your formulations.
The global demand for Ergothioneine is steadily growing as consumers increasingly seek products that promote longevity, cognitive function, and overall wellness. While several sources exist, the challenge remains to provide consistently high-purity powder with reliable bioactivity.
At Botanical Cube Inc., we produce Ergothioneine Powder with strict quality control and multiple certifications, ensuring each batch meets both safety and performance standards. Leveraging our extensive experience in natural ingredient manufacturing, we offer flexible OEM solutions that allow clients to customize concentration, packaging, and labeling, giving your product a distinctive edge in a competitive market. By combining our in-house extraction expertise with scalable production capabilities, we deliver a premium, ready-to-use ingredient that simplifies your product development process.
1. High and Consistent Purity: ≥99.0% purity with minimal batch-to-batch variation ensures predictable performance in formulations.
2. Controlled Fermentation Production: Proprietary process reduces impurities and guarantees traceable, clean ingredient quality.
3. Optimized Stability & Handling: Low moisture, fine particle size, and excellent flowability simplify processing in capsules, tablets, or beverages.
4. OEM Customization: Flexible concentration, packaging, and labeling tailored for your product needs, reducing R&D iterations.
5. Experienced Manufacturing: Nearly 20 years of R&D and production expertise ensures reliable scaling and consistent bioactive integrity.
| Test Item | Specification / Method | Result |
| Appearance | White fine powder | White powder |
| Odor | Characteristic, slight sulfur-like | Characteristic odor |
| Taste | Slightly bitter | Slightly bitter |
| Identification | HPLC / UV Spectrum | Pass |
| Assay (L-Ergothioneine) | ≥99.0% (HPLC) | 99.20% |
| Loss on Drying | ≤5.0% | 3.50% |
| Residue on Ignition | ≤0.1% | 0.05% |
| Heavy Metals | ≤10 ppm | <5 ppm |
| Arsenic (As) | ≤1 ppm | <0.5 ppm |
| Lead (Pb) | ≤2 ppm | <1 ppm |
| Mercury (Hg) | ≤0.1 ppm | <0.05 ppm |
| Cadmium (Cd) | ≤1 ppm | <0.5 ppm |
| Microbial Total Plate Count | ≤1000 CFU/g | 120 CFU/g |
| Yeast & Mold | ≤100 CFU/g | 15 CFU/g |
| E. coli | Negative | Not detected |
| Salmonella | Negative | Not detected |
| Staphylococcus aureus | Negative | Not detected |
| Particle Size | 100% through 80 mesh | Pass |
| pH (1% solution) | 4.0–6.0 | 5.2 |
| Moisture Content | ≤5.0% | 3.50% |
| Bulk Density | 0.45–0.65 g/mL | 0.52 g/mL |
| Solubility | Soluble in water | Pass |
1. Dietary Supplements & Capsules
Used for cellular protection, antioxidant support, cognitive health, and promoting overall wellness. Often combined with other nutraceuticals such as CoQ10, resveratrol, or vitamins for synergistic effects.
2. Functional Beverages & Powders
Added to energy drinks, health shakes, or powdered drink mixes to enhance antioxidant activity and support longevity claims. Soluble in water-based formulations for convenient intake.
3. Skincare & Cosmetic Products
Incorporated into creams, serums, or lotions to reduce oxidative stress, combat signs of aging, protect against UV damage, and improve skin barrier function. Typically used in combination with other antioxidants like vitamin C or niacinamide.
4. Nutraceutical Blends
Blended with other plant extracts or bioactives for targeted health benefits, such as liver protection, anti-fatigue, or immune support.
1. Dietary Supplements
5–25 mg per day per serving; dosage depends on formulation purpose and regulatory limits.
2. Functional Beverages
2–10 mg per 100 mL; consider stability in acidic or carbonated formulas.
3. Skincare & Topicals
0.1–0.5% of total formulation; stability in water- or oil-based systems should be verified.
4. Powder Blends
Adjust concentration based on other bioactive ingredients to ensure efficacy and regulatory compliance.
1. Is Ergothioneine Powder safe for long-term consumption?
Yes, with proper dosage. Ensure compliance with regional food supplement regulations and label requirements.
2. How stable is Ergothioneine in different formulations?
It is highly stable in pH 4–7 and standard processing temperatures. Avoid high-temperature or high-moisture conditions for prolonged storage.
3. Can it be combined with other antioxidants without loss of activity?
Yes, compatible with vitamins C, E, polyphenols, and other bioactives when formulated under standard conditions.
4. What is the best way to ensure consistent quality?
Source from suppliers providing ≥99% purity, batch-to-batch consistency, and full COA documentation.
5. How is it used differently in food vs. skincare products?
In food or beverage products, solubility and taste masking may be key; in skincare, stability, pH, and compatibility with other ingredients are critical.
Work directly with a certified supplier of high-purity Ergothioneine Powder (EGT/L-Ergothioneine) designed for supplements, functional drinks, and skincare applications. Every batch is fully documented, traceable, and meets stringent quality standards, ensuring stable bioactivity and easy integration into your formulations. With nearly 20 years of production and R&D experience, we provide OEM services including concentration adjustments, tailored packaging, and label customization. Partnering with us gives you consistent supply, compliance support, and a smooth path from development to market. Contact us at info@botanicalsuppliers.com.
Just send email to info@botanicalsuppliers.com, or submit your requirement in bottom form, we are of service at any time!
If you have any questions, please contact our experts.We are always ready to help you with individual formulations, private label solutions or any other requirements to kick-start your brand!