In a recent study of 42 asthmatic patients, those who took 150 mg of purple passion fruit peel per day for four weeks experienced less wheezing, coughing and shortness of breath, compared to those in the placebo group.
In a study of 41 ADHD children aged 9-10, those who took one mg of Pycnogenol®) per kg of bodyweight for one month had less hyperactivity and reduced oxidative stress than those who took a placebo.
