Doctors monitor cholesterol levels via your bloodwork. You'll typically see measurements of both high-density lipoprotein (HDL) and low-density lipoprotein (LDL). The former is considered the "good" cholesterol because it plays a significant role in removing more harmful cholesterol from the blood. By contrast, LDL cholesterol builds up along the arteries. As the walls narrow, they also become harder. This not only prevents blood from flowing smoothly through your arteries, but also encourages the formation of dangerous fatty deposits. These deposits can cause clots to form, leading to potentially serious heart and brain complications., Many different types of drinks, including green tea, oat drinks, soy drinks, and plant milk smoothies, contain compounds that may help reduce or manage cholesterol levels., It is then able to clear the cholesterol from the body, which helps lower LDL cholesterol." A 2018 study published in Food & Function even found that consuming oat-based beverages, as opposed to simply eating oatmeal, could provide a more sustained effect on reduced cholesterol levels..