Possible effectiveness means there has been some research conducted to show that these possible pine bark extract uses have some evidence behind them. However, more evidence is needed to prove this herb is absolutely effective for the following diseases and conditions.
Some research shows that those with birch allergies may benefit from taking this herb prior to allergy season. It is believed that taking this prior to allergy season may help to reduce the patient's allergy symptoms
Taking this herb orally may help to significantly decrease leg heaviness and pain in patient's who have circulation problems, as well as reduce fluid retention. Pycnogenol alone seems to be more effective than chestnut seed extract.
Taking this herb every day for two months appears to help prevent or slow the worsening of retinal disease associated with atherosclerosis, diabetes, or other diseases. This herb may also help to improve eyesight.
In athletes ages 20 to 35, this herb appears to be beneficial in improving their endurance on a treadmill when they take it every day for approximately one month.
Systolic blood pressure seems to be lowered by this herb. However, there is no evidence to show that this herb has any affect on diastolic blood pressure.
This herb may also be beneficial for varicose veins and childhood asthma.