Benefits It Will Provide To You… The antioxidant potential of cow ark makes it an effective cure for cancer,which can be attributed to its ability to reduce DNA damage. Cow ark is traditionally used for the treatment of the intestinal worms and this has been verified with the help of clinical studies. Cow ark is excellent for your immune system as it helps in improving both humoral and cell medicated immunity due to an increase in the number of WBCS. Rich antioxidant status of cow ark makes it an anti- ageing agent for your skin which implies that it helps to reduce the appearance of wrinkles and fine line. since cow ark helps to slow down ageing due to its effect.