The South Beach Diet is an alternative to other low-carb diets, such as the Atkins diet. Though it allows for a higher intake of carbohydrates, it works on similar principles as other low-carb diets. The South Beach Diet allows for a large intake of vegetables and vegetables can be diuretic, so the South Beach Diet might lead to more frequent urination.
The South Beach Diet
Unlike regular low-carb diets, the South Beach Diet does not restrict the intake of all types of carbohydrates. It distinguishes between two kinds of carbohydrates, low-glycemic index carbohydrates and high-glycemic index carbohydrates. Low-glycemic index carbohydrates break down fast in the digestive system and quickly absorb into the blood stream. Foods high in low-glycemic index carbohydrates include white bread, white pasta and white rice. High-glycemic index carbohydrates absorb into the bloodstream at a slower pace. Foods high in these carbohydrates increase whole grain bread and pasta, brown and wild rice, legumes and cabbage.
How They Work
Regular low-carb diets and the South Beach Diet aim at keeping blood glucose, or blood sugar, at low, steady levels. Because fat, protein and high-glycemic index carbohydrates break down at a slower rate in the digestive system compared to low-glycemic index carbohydrates, the South Beach Diet avoids sparks in blood glucose levels. This can prevent hunger pangs. The resultant longer-lasting and quicker feeling of fullness naturally makes dieters restrict portion sizes and calories without having to go to the trouble of restricting their total food intake. Because blood glucose stays at lower, more steady levels, less glucose is available in the bloodstream for use as energy. So, like regular low-carb diets, the South Beach Diet forces the body to use fat rather than glucose as an energy source.
Diuretics
Many food groups function as natural diuretics and can give rise to frequent urination. These include oats, cranberries, watercress, artichokes, asparagus and strawberries. Foods, such as watermelon, onion, celery and cucumber, have a high water content. When the body processes these foods, it excretes the excess water through the urinary tract. Since the South Beach Diet allows for high amounts of diuretic foods, it can promote more frequent urination.
Solution
More frequent urination in combination with the South Beach Diet is normally harmless. If the frequency of urination becomes unmanageable, it may help to consume higher amounts of food with a higher electrolyte content. Whole-grain foods normally have a higher electrolyte content than vegetables. Soft drinks with added electrolytes can also alleviate the symptoms. If the symptoms are severe, consult with your physician before continuing the diet.
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