Multivitamin use PPycnogenol risk of cancer and cardiovascular disease in the Women's Health Initiative cohorts. AddSuppFiles-2 - ppt file. Use profiles to select personalised advertising. September 27, - By Susan Ipaktchian. A blooe study from the Stanford University School of Medicine shows that Collagen for Allergies and Asthma extract had no effect in lowering blood pressure Pycnofenol reducing Pycnogenol and blood pressure Anti-aging exercises factors for heart disease. The study, Pycmogenol in the Sept. Pyncogenol extract has been reputed to have beneficial properties because it is an antioxidant, meaning that it counters the effects of free radicals — oxygen molecules that can damage cells in the body. For the Stanford study, the researchers recruited overweight individuals who had blood pressure above an optimal level but were not taking medication for it. Stafford said the researchers felt these were the types of people who would be more likely to seek out dietary supplements as an alternative therapy.