Chronic Venous Insufficiency, Chronic Asthma, and Varicose Veins. Hilde Hemmes Herbals are by far the best treatment,
non drug herbs that do a fine job, with no addictive qualities.
High level of manufacture, and plenty of information on conditions on their website. You can buy their stuff from most local Health Food Stores as they list their outlets on their website.
Hilde Hemmes Herbals are a trusted company, and I cannot find a comparable product that they produce in the Horse Chestnut 1600.

Approximate cost: $Very affordable