What standing all day does to your legs, according to science. While it may seem normal to have leg fatigue, swelling, and discomfort after standing all day, your body could be alerting you to the risk of venous disease. This can lead to lymphedema (chronic leg swelling), bulging varicose veins, and even blood clots. You may have mentioned your concerns to your primary care doctor. Maybe you were told that it was normal to feel that way. It would be a shame if your symptoms were caused by hidden vein disease and were suffering needlessly. Cooks, flight attendants, security guards, and many other occupations that require the individual to stand for longer than four hours can experience heavy legs at the end of the shift, which can lead to the development of varicose veins, spider veins, water retention, and other medical conditions related to the legs. Solution: Horse Chestnut (Aesculus hippocastanum) is commonly used in European herbalism. It has many active constituents, including saponins and flavones, which had been scientifically shown to support the integrity of the vascular system and connective tissue. Rutin, a powerful free radical scavenger, has been added to complete this formula in most of the HCN supplement. Escin, a mixture of saponins that have shown to help maintain healthy blood circulation, strengthen capillaries and help to reduce spider veins.