A boiled sweet potato is a simple way to add a naturally sweet vegetable to a meal. Orange-fleshed varieties provide beta-carotene, which the body can turn into vitamin A, along with fiber and other nutrients. That is a useful contribution without needing a promise of dramatic changes in thirty days.
Harvard's Nutrition Source notes that boiling can help retain beta-carotene. Its preparation guide suggests peeling and cutting sweet potatoes into cubes, covering them with water and simmering until tender. The cooked pieces can be mashed or added to another dish.
Eating one particular food every day does not guarantee clearer skin, weight loss or a sudden energy boost. Portion size and the rest of the diet still matter. Treat a sweet potato as one enjoyable part of varied meals, rather than a timed health experiment.