Is the bigger the kefir strain, the better?

No. Kefir is a kind of fermented milk fermented by a variety of lactic acid bacteria and yeast. By adding beneficial bacteria such as lactic acid bacteria and yeast to regulate the intestinal environment, it has many effects such as beauty, health and weight loss, but the bigger the kefir, the better. If the strain is too large, it will lead to intestinal flora imbalance and affect health.