马栗提取物对静脉曲张和慢性静脉功能不全的作用是likely effective。Diosmin低了一级，是possibly effective，而且只对hemorrhoids和leg ulcers。对其它病症是possibly ineffective或insufficient evidence。
What is Diosmin?
Diosmin is a type of plant chemical found mainly in citrus fruits. People use diosmin to make medicine.
Possibly Effective for...
* Treating hemorrhoids.
* Treating leg ulcers caused by poor circulation, when used in combination with hesperidin.
Possibly Ineffective for...
* Treating swelling of the arms following surgery for breast cancer.
Insufficient Evidence to Rate Effectiveness for...
* Varicose veins, bleeding (hemorrhage) in the eye, bleeding gums, and preventing damage to the liver.
Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate