Causes of Weakness in Legs. Weakness in the legs can be caused by many conditions and diseases. Weakness means there is less strength in the muscles than there should be. Some people mistake fatigue as weakness, but technically in the medical world, they aren't the same. People with the flu or cancer, for example, may say they feel weak when they're referring to sluggishness.
1 (Outside of the body, Lactobacillus acidophilus is the probiotic that is found in some yogurts.). 2  Foods that contain probiotics include: some juices and soy drinks, fermented and unfermented milk, buttermilk, some soft cheeses, miso, tempeh, kefir, kim chi, sauerkraut, and many pickles.
1. One of the best probiotic foods is live-cultured yogurt, especially handmade. Look for brands made from goatâs milk that have been infused with extra forms of probiotics like lactobacillus or acidophilus.Goatâs milk and cheese are particularly high in probiotics like thermophillus, bifudus, bulgaricus and acidophilus.Be sure to read the ingredients list, as not all yogurt is made equally.. One of the best probiotic foods is live-cultured yogurt, especially handmade. Look for brands made from goatâs milk that have been infused with extra forms of probiotics like lactobacillus or acidophilus.