Health Is quinoa allowed on keto? Is quinoa allowed on keto? Whole-grain quinoa may be protein-rich, but that doesn't mean it fits with keto. A ½-cup serving contains 17 g of net carbs, which can easily eat up your carb budget.Nov 19, 2018 Related Posts:What can I eat for breakfast instead of carbs?Are string beans low carb?How often should you cycle off keto?How many net carbs are in simple mills almond flour crackers?