There are many things you can and must do. Stop excessive drinking of alcohol. An occasional drink is okay. Stop excessive drinking of caffeine beverages, coffee, sodas, etc. If you need to wear an elastic stocking, get it fitted, so that it won't be too loose and yet not too tight.
Exercise can be an important factor in maintaining the integrity of the circulatory system.
Walking, swimming, riding a bicycle and doing your exercise at home will help tremendously. Proper nutrition is of course important. Eating a well balanced diet and reducing your animal fats, spices, fried foods, and sugars will help circulation. In addition to eating properly, supplementation of the proper vitamins and minerals are a needed necessity. Important are the antioxidants, vitamin E, C, A and Beta-Carotene.