There are many herbs that strengthen the veins so that they won’t leak. This would be of benefit for varicose veins, hemorrhoids, chronic venous insufficiency, vericocele, etc.
This link has 8 steps that has cured the problem.
Butcher’s Broom: The presence of flavonoids, like rutin, are known to generally strengthen blood vessels and reduce capillary fragility with its anti-inflammatory and vasoconstrictor effects that help tighten and strengthen veins. (A mild diuretic, butchers broom was approved by the authoritative German Commission E as a supportive therapy for chronic venous insufficiency, a condition causing pain, swelling, and fatigue in the calves. Chronic venous insufficiency is related to varicose veins. from here)
this site gives more info
Milk thistle : For venous pain and varicose veins (taken from this site)
- 1½ oz. milk thistle seeds
- 1 oz. calendula flowers
- 1 oz. witch-hazel leaves
This mixture will constrict open leg wounds. It strengthens the walls of the veins and seals the tissues around the wound. You can drink the tea, or use it to make a compress.
Other useful circulatory foods and herbs: bilberry, cayenne, and bromelain (found in pineapple- prevents clots), ginkgo, hawthorn, gotu kola. Blackberries and cherries may help prevent and manage varicose veins. Dr. Christopher has a page of info here.
This link discusses some of herbs people have tired.
Here it gives list of the herbs above along with others.