了解益生菌：什么是益生菌？

益生菌是指有益于宿主健康的活菌和非活菌，它们可以当做“好菌”或“友善菌”。

益生菌主要以一些常见的细菌属为代表，包括乳酸菌、双歧杆菌、酵母菌等。它们主要存在于人体消化道中，有助于调节肠道微生物群落平衡，帮助消化、促进免疫力等。

选择合适的益生菌：如何挑选适合自己的益生菌？

以下是如何选益生菌的一些考虑因素。

Introduction

Probiotics have become an increasingly popular dietary supplement over the past few decades, with many people claiming that they can improve gut health and boost overall immunity. One of the most common forms of probiotics is probiotic powder, also known as probiotic supplements or probiotic powder mixtures. It is commonly found on the shelves of health food stores and pharmacies. However, one thing that many people don't realize is that probiotic powder needs to be refrigerated to maintain its quality and effectiveness.