it's true. According to the query of Muhetang official website, Muhetang compound probiotics are probiotic products obtained by freeze-drying technology. The drying of probiotics is basically carried out at a temperature below ℃, generally not exceeding 4℃, which fully maintains the properties and activities of probiotics and is better absorbed by human body, so it is true. Muhetang is a registered trademark of Dong 'e County Dong Run Pharmaceutical Co., Ltd.