Ergothioneine has recently attracted market attention, with several listed companies responding to related questions on interactive platforms. CITIC Securities' research report also believes that ergothioneine is gaining popularity and is optimistic about new raw materials in synthetic biology. ① LEAGUER: Ruidelin is a company in which the firm has a stake. According to the company's official website, its product ergothioneine has passed Self-GRAS certification. ② AHWB: The company has a clinical project collaboration with Jing San Biotechnology regarding ergothioneine, providing efficacy verification clinical services for products developed by Jing San Biotechnology. ③ Shouxiangu: Ergothioneine is a natural antioxidant that can protect cells in the human body. Natural ergothioneine is found in high concentrations in medicinal fungi such as Ganoderma, and the ergothioneine content in Ganoderma and Ganoderma spore powder is higher than that in other common medicinal fungi. Additionally, processing technology can further enhance its content. ④ Fuerjia: The company's product Fuerjia Blue Copper Peptide Skin Soothing Water contains ergothioneine, which is classified as a minor component and not a primary ingredient