Short Description Consuming 1.5 to 2.4 g of plant sterols daily can reduce cholesterol levels by 7-10% in 2-3 weeks. One serving (10 g) contains 0.66 g plant sterols. Consume three servings (30 g) daily. Eat ProActiv as part of a healthy diet and lifestyle with lots of fruit and vegetables. It is not advisable to consume more than 3 g of plant sterols per day. High cholesterol is a risk factor for coronary heart disease. You may need to improve more than one risk factor to reduce your overall risk. ProActiv is no