Super Slim Keto Gummies We try to be accurate, but feel free to make your own calculations. Cucumbers are almost entirely water (if you want to get technical, per 1/2 cup of sliced cucumber, there are 50 grams water in 52 grams of cucumbers). This means there is little room for anything else, so the carbs in cucumbers are extremely low. Super Slim Keto Gummies Reviews One has to avoid starchy vegetables, breads, rice, cakes, pastries and sweets when following this diet. Since it restricts intake of fruits and many vegetables, there may be deficiency of vitamins, minerals etc.