Just one sweet potato provides 102% of the daily recommended intake of vitamin A, making this nutrient essential for healthy eyes and the upper and middle parts of the respiratory tract as well as a healthy immune system.
The carotenoids in sweet potatoes also reduce the risk of cancer. The anthocyanins found in purple sweet potatoes have been identified as natural substances that could reduce the risk of colorectal cancer.
Sweet potatoes contain compounds that help regulate blood sugar levels. When consumed boiled they contain low GI (glycemic index), which means will not cause rapid rise and fall in the sugar levels. It helps to balance the diabetes levels.
Researches indicate that sweet potatoes reduce levels of LDL "bad" cholesterol, and lower the risk of heart disease. Its high fiber is also an important conditioner in keeping healthy cardiovascular conditions.
Sweet potatoes have a good amount of beta-carotene and vitamin A. It helps to reduce macular degeneration which is a very common reason for sight loss. Regulated intake can maintain a vision over time.
Purple sweet potatoes contain anti-inflammatory elements that reduce inflammation in the body and prevent the overproduction of certain kinds of fat cells. It also helps to control weight and prevent various obesity conditions.
The fiber content in sweet potatoes is immensely good for digestion health and the gut. Eating them daily can help keep a healthy digestive system and prevent constipation.