Question: what has fiber but no carbs?
Answer: Chia seeds. Fiber: 10 grams per ounce. ... 
Blackberries and raspberries. Fiber: 8 grams per cup (blackberries); 8 grams per cup (raspberries) ... 
Flaxseed. Fiber: 6 grams per two tablespoons. ... 
Coconut. ... 
Pistachios. ... 
Cauliflower. ... 
Red cabbage. ... 
Mushrooms.