¿Qué es L-Ergothioneine (EGT) 99% Natural Antioxidant? Aplicaciones, dosis, alternativas y especificaciones

Ergothioneine (EGT), chemically named 2-mercapto-L-histidine trimethylbetaine, has the chemical formula C9H15N3O2S, molecular weight of 229.30, and CAS number 497–30–3. It es un naturally occurring sulfur-que contiene amino acid derivative, formed by adding a thiol group to the 2-position carbon of the imidazole ring of a histidine molecule and adding three methyl groups to the α-amino group. In 1909, French scientist Charles Tanret first isolated this substance while studying the ergot fungus infecting rye grains, hence the name "ergothioneine". In nature, ergothioneine is primarily found in edible fungi como Ganoderma lucidum, Pleurotus eryngii, and Flammulina velutipes, and can also be synthesized by various microorganisms incluyendo actinomycetes and mycobacteria. The human body cannot synthesize ergothioneine on its own and must obtain it through diet or supplements. Ergothioneine is the only known natural dietary antioxidante con una gene-encoded specific transporter protein OCTN1. This unique property permite it to be precisely recognized and actively transported into cells by the OCTN1 transporter, targeting mitochondria y otros areas con alto oxidative stress to fundamentally remove reactive oxygen species, while activating the Nrf2 antioxidante pathway and inhibiting the NF-κB inflammatory pathway, achieving cell-level precise antioxidante protegenion. Due to its superior antioxidante efficacy and multi-target bioactivity, ergothioneine is known as the "super antioxidante" and "longevity vitamin," enjoying high application value and market reputation in global suplemento dietéticos, alimento funcionals, cosmetics, and pharmaceutical R&D. Ergothioneine appears as a white to blanco roto cristalline polvo, almost odorless, con buen flowability and water solubility (aqueous solución is neutral to weakly acidic), con una pH of approximately 4.5–6.0. It has superior stability compared to most natural antioxidantes and can be stored for long periods at temperatura ambiente proteger de la luz, sealed, and dry, but it is strongly hygroscopic and sensitive to light, requiring strict humedad-proof and light-proof storage.

1 The only natural antioxidante con un exclusive transporter protein Ergothioneine is the only known natural antioxidante in nature con una gene-encoded specific transporter protein, OCTN1 (solute carrier family 22 member 4). This unique property permite it to be precisely recognized and eficientely transported into cells by OCTN1, directly targeting high-energy-consuming, high-oxidative-stress cellular regions como mitochondria, fundamentally removing free radicals and reducing oxidative stress damage to cells. According to research published in Free Radical Biology and Medicine in 2025, ergothioneine is the only known natural antioxidante component that can directionally enter cell mitochondria via the OCTN1 transporter. Traditional antioxidantes (como vitamin C, vitamin E, and glutathione) lack an exclusive transport mechanism, making it difficult for them to enter the core areas of cells, thus greatly reducing their antioxidante efficiency. 2 Superior antioxidante capacity Multiple studies have confirmed that ergothioneine's antioxidante capacity far exceeds that of similar components. Research has found that ergothioneine's free radical scavenging capacity is 20 times that of coenzima Q10 and 2 times that of glutathione. Third-party testing data further shows that at the same concentration, ergothioneine's free radical scavenging rate is 7 times that of glutathione and 12 times that of astaxanthin. Other studies report that ergothioneine's antioxidante capacity can reach 60,000 times that of vitamin E in specific experiments, quickly improving skin dullness and spermitenness. Additionally, ergothioneine has a half-life 268 times longer than polyphenolic components, making it less prone to deactivation, with stability significantly superior to other natural antioxidantes. 3 Multi-target biological functions Ergothioneine not only excels in antioxidante activity but also possesses multiple biological functions incluyendo anti-inflammatory effects, mitochondrial function protegenion, DNA integrity protegenion, and Nrf2 pathway activation. Review studies in Molecules and Food & Function in 2025 further verified that ergothioneine exerts neuroprotegenive effects through multiple pathways incluyendo free radical scavenging, inhibition of pro-inflammatory factor expression como TNF-α, IL-1β, and IL-6, activation of the Nrf2 pathway, and maintenance of mitochondrial structural integrity, showing potential application value in cardiovascular health, metabolic regulation, and intervention in age-related degenerative diseases. Research published in Cell Metabolism in 2026, using single-cell sequencing technology, completely depicted the synergistic protegenive mechanism of ergothioneine in improving systemic energy metabolism and delaying cellular aging from both organ and cellular levels. 4 Excelente safety and bioavailability Ergothioneine es una endogenous component naturally present in the human body and various foods, producing virtually no side effects, requiring no tolerance build-up, and is particularly friendly to all skin types, especially sensitive skin. It se reconoce como GRAS (Generally Recognized as Safe) by the US FDA and approved as a novel ingrediente alimentario in the EU, with daily doses ranging from 30–480 mg showing good tolerability in human clinical trials. Its exclusive transporter protein mechanism also proporciona superior targeted bioavailability. 5 Continuous iteration and upgrading of proceso de producciónes The proceso de producción of ergothioneine has evolved from traditional edible fungus extractoion to microbiano fermentation and further to sintético biology platforms using genetically engineered strains, significantly reducing production costs and continuously improving pureza. Breakthroughs in sintético biology technology have reducend production costs by 30% to 98%, driving the popularization of the product from a luxury item to a mass consumer product. The National Institute of Metrology of China has launched a national standard reference material for L-ergothioneine with pureza ≥99.6%, providing an authoritative benchmark for product control de calidad.