Lactic acid is mainly produced in muscle cells and red blood cells.
It forms when the body breakdowns carbohydrates to use for energy when oxygen levels are low.
The condition when the body's oxygen level drops -
The lactic acid buildup can result inmuscle pain, cramps, and muscular fatigue.
These symptoms are typical during strenuous exercise and are not usually anything to worry about as the liver breaks down any excess lactate.