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L-(+)-Ergothioneine CAS 497-30-3

Product name: L-(+)-Ergothioneine

CAS NO: 497-30-3

Molecular Formula: C9H15N3O2S

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Place of Origin: China
Brand Name: FIRSKY
Model Number: 1KG
Certification: SGS,ISO 9001
Purity: 99%
Packaging Details: Custom aluminum packages,paper boxes,wooden cartons
Delivery Time: Tracks available within 3-5 working days after payment received
Payment Terms: Escrow,Bank transfer,Western Union,Money Gram,Wise,Crypto currencies
Supply Ability: 2000T/Mouth


L-(+)-Ergothioneine, often referred to as ergothioneine or "ET," is a naturally occurring compound that belongs to the group of sulfur-containing amino acids. It is derived from the amino acid histidine and is found in various organisms, including fungi, bacteria, and certain plants.

Ergothioneine has garnered considerable attention due to its potential health benefits and antioxidant properties.


1. Antioxidant Supplement: Ergothioneine functions as a powerful antioxidant, protecting cells from oxidative stress and damage caused by free radicals. It may be used as a dietary supplement to support overall antioxidant status and promote cellular health.

2. Skin Health and Cosmetics: Due to its protective effects against UV radiation and oxidative stress, ergothioneine is being studied for its potential benefits in skincare and cosmetic products. It may help reduce skin aging, improve skin texture, and protect against environmental damage.

3. Neuroprotection: Ergothioneine has shown promising neuroprotective properties in preclinical studies. It may help protect nerve cells from oxidative damage and potentially play a role in the prevention or management of neurodegenerative disorders.

4. Eye Health: ET has been found to accumulate in ocular tissues, suggesting a potential role in maintaining eye health. It may help protect against oxidative damage in the retina and lens and contribute to the prevention of age-related macular degeneration (AMD) and cataracts.

5. Sports Performance and Exercise Recovery: Ergothioneine's antioxidant properties and potential anti-inflammatory effects have led to investigations into its use in sports nutrition and exercise recovery. It may help reduce exercise-induced oxidative stress and support muscle function and recovery.

6. Immune System Support: Preliminary research suggests that ergothioneine might modulate immune responses and contribute to immune system function. It may help regulate inflammation and enhance immune defense mechanisms.

7. Chronic Disease Prevention: Given its antioxidant and anti-inflammatory properties, ergothioneine has been proposed as a potential dietary component for the prevention of chronic diseases associated with oxidative stress, such as cardiovascular disease, diabetes, and certain cancers. However, further research is needed to establish its effectiveness.

It's important to note that while ergothioneine shows promise in various areas, more research is required to fully understand its mechanisms of action and therapeutic potential. As with any supplement or therapeutic agent, it is recommended to consult with healthcare professionals before using ergothioneine for specific health purposes.


Product Name:



L-(+)-ERGOTHIONEINE INNER SALT;ERGOLD;2-MERCAPTOHISTIDINE BETAINE;(S)-ALPHA-CARBOXY-2,3-DIHYDRO-N,N,N-TRIMETHYL-2-THIOXO-1H-IMIDAZOLE-4-ETHANAMINIUM INNER SALT;THIONEINE;(S)-[1-carboxy-2-(2-mercaptoimidazol-4-yl)ethyl]trimethylammonium hydroxide;1H-Imidazole-4-ethanaminium, .alpha.-carboxy-2,3-dihydro-N,N,N-trimethyl-2-thioxo-, inner salt, (.alpha.S)-;3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)-2-trimethylammonio-propanoate









Melting point

275-277°C (dec.)


1.2541 (rough estimate)

refractive index

1.6740 (estimate)

storage temp.



Soluble in Water (up to 10 mg/ml)


White or off-white powder


1.Firsky (Wuhan) keeps working to provide customers with high-quality products steadily. We have established a sound internal quality management system and are constantly striving to improve quality, reduce deviation and waste.

2.If you have any questions, please feel free to ask questions, we will reply to your questions within 48 hours.

3.If you have any questions after receiving the goods, please feel free to contact us. If the loss is caused by us, we guarantee 100% compensation.


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