Cách sử dụng
The word 'lactic' refers to something that is related to or produced by lactic acid. Lactic acid is a substance that is created in the muscles when they are worked hard during exercise. A common phrase that includes the word lactic is 'lactic acid build-up', which is a feeling of soreness or fatigue in the muscles that can be experienced after strenuous exercise. In addition to exercise, lactic acid is also produced in certain bacteria and is used in various food and cosmetic products.