Question: what are some low carbohydrate vegetables?
Answer: Iceberg lettuce. Perhaps one of the most popular — though least nutritious — vegetables, iceberg lettuce has only 2.97 g of carbohydrate per 100 g. ... 
White mushrooms. Mushrooms contain only 3.26 g of carbs per 100 g. ... 
Spinach. ... 
Broccoli. ... 
Zucchini. ... 
Cauliflower. ... 
Asparagus. ... 
Radishes.