Answer: Cucumbers are an extremely keto-friendly vegetable, with just 3 g of net carbs.
Cucumbers are low in calories and low on the glycemic index. At just 3.1 g of net carbs in a 100 g serving, they're happily low in carbohydrates.
Cucumbers are also rich in vitamins and minerals. They contain antioxidants to fight free radicals, which are unstable atoms that damage cells. 96% of a cucumber is water, which also makes them a great way to stay hydrated.
Use cucumbers liberally in your salads or as a snack.