Weakness in the legs may be the result of veins not functioning properly, or a medical condition such as varicose veins or restless leg syndrome, or RLS. Suffering from damaged veins or a disorder can result in a lack of blood supply to the legs, causing the weakness. There are a number of vitamins that can help treat weakness in the legs.
Vitamin C
According to the Mother Nature website, vitamin C helps to keep your blood vessels and walls strong. It also helps prevent bulging of the vessel walls when your blood becomes distended, which causes weak legs. Vitamin C is needed to produce the proteins elastin and collagen. Elastin is responsible for keeping vessel walls flexible; collagen keeps the joints fit. Vitamin C and can also help to speed up the healing of bruises.
B Vitamins
B vitamins, such as niacin, also known as vitamin B3, vitamin B6 and vitamin B12 may help treat weakness in the legs, according to the University of Maryland Medical Center. They reduce the amount of cholesterol in your blood and also promote healthy blood flow. According to Holisticonline.com, folic acid may be able to help treat RLS in there is a family history of the disorder.
Vitamin E
Vitamin E stops blood platelets from sticking, which can cause clotting if they stick. Also, vitamin E helps to promote healthy blood circulation and keeps your blood vessel walls strong. According to Holisticonline.com, taking around 400 IU of vitamin E two or three times a day be effective in treating RLS.


