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L-Ergothioneine (EGT)

Premium L-Ergothioneine (EGT) Powder (CAS 497-30-3) | Ultimate Mitochondrial Antioxidant

Supplied by Yantai Hongyu Starry Biotech Co., Ltd., our L-Ergothioneine (EGT) is a rare, high-purity amino acid produced via advanced bio-fermentation, offering unmatched cellular protection and anti-aging benefits.

  • Assay (HPLC): ≥ 98.0% / ≥ 99.0% Pure White Crystalline Powder
  • Exclusive Mechanism: Targets mitochondria directly via the OCTN1 transporter for deep cellular DNA repair.
  • Formulation Stability: Exceptional resistance to high heat and pH variations, ensuring zero degradation in premium serums and supplements.
  • Export Grade: Stable global supply from Yantai with full COA, MSDS, and HPLC testing support.

» For bulk pricing, technical data, or samples, contact: sales@hongyustarry.com

L-Ergothioneine (EGT) Powder CAS 497-30-3 – The Super Antioxidant for Anti-Aging

L-Ergothioneine (EGT) is a rare, natural sulfur-containing amino acid known as the “Mitochondrial Protector.” As a specialized supplier, Yantai Hongyu Starry Biotech Co., Ltd. offers ultra-high purity L-Ergothioneine (≥99%) produced via advanced bio-fermentation, providing unparalleled antioxidant stability for high-end skincare and longevity supplements.

Technical Specifications

Product Name L-Ergothioneine (EGT)
CAS Number 497-30-3
HS Code 2933.2900.90
Molecular Formula C9H15N3O2S
Appearance White crystalline powder
Purity (HPLC) ≥ 98.0% / ≥ 99.0%
Solubility Excellent water solubility

Why Source EGT from Hongyu Starry Biotech?

Mitochondrial Target Protection

Unlike common antioxidants, EGT enters cells directly via the OCTN1 transporter to protect mitochondria from oxidative stress at the core.

Exceptional Formulation Stability

EGT is highly resistant to heat and pH changes, ensuring no degradation in your serums, creams, or oral supplement formulations.

Synergistic Anti-Aging Results

Works perfectly with Vitamin C and Ectoine to prevent photoaging and skin dullness, offering a comprehensive rejuvenation effect.

Verified Supply Excellence

Stable bulk inventory with full regulatory support (COA, MSDS, TDS) from our 20+ years of export experience in Yantai.

Primary Applications

  • High-End Skincare: Core ingredient for anti-aging serums, DNA repair creams, and brightening lotions.
  • Dietary Supplements: Used in longevity and immunity-boosting capsules to combat cellular aging.
  • Clinical Research: An essential bioactive compound for neuroprotection and metabolic health studies.
  • Hair Care: Protects hair follicles from oxidative damage, promoting a healthy scalp environment.

Request a Quote for L-Ergothioneine (EGT)

Yantai Hongyu Starry Biotech provides premium EGT with competitive wholesale prices and sample support.

Contact sales@hongyustarry.com

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