1. Choose products from well-known companies with larger scale, better product quality and better service quality. Because larger production companies have stricter quality control on raw materials, advanced production equipment, and higher corporate management levels, product quality is also guaranteed.

2. Carefully check whether the labels on the product packaging are complete, especially the ingredient list and product ingredient list, so as to distinguish whether the product is pure kefir, flavored kefir, or fruit kefir, and choose the appropriate one. Depending on the variety of your own taste, choose the product you need based on the fat content in the product ingredient list.

3. After purchasing the product, consumers should taste the product carefully when eating. The yogurt should have the unique smell of yogurt made from pure lactic acid starter culture, without the smell of alcoholic fermentation, musty smell and other external bad smells. odor.

4. Since the shelf life of kefir products is short, usually one week, and needs to be stored at 2-6°C, you should buy small amounts of kefir frequently.

5. When purchasing yogurt, consumers should carefully distinguish between yogurt and kefir drinks. The protein and fat content of kefir drinks are lower, generally less than 1.5%, so they should be clearly understood when purchasing. The product label indicates whether it is yogurt or kefir drink.