Generally, leafy greens like kale, spinach and romaine lettuce are considered critical components of a nutritious diet. Yet one leafy green, iceberg lettuce, often gets the cold shoulder.

Raw iceberg lettuce contains 3.37 g of carbs per 100 ... Cucumber is also suitable for the keto diet, as its carb content is just 2.95 g per 100 g. To make the carb content lower, a person can ...