KETO VERDICTYES
Fennel seeds are moderate for keto with ~12.5g net carbs per 100g (about 0.6g per teaspoon) but excellent when used as a spice in teaspoon amounts. They support digestion and bring a licorice-like note to distinctive keto dishes.
Are Fennel Seeds Keto?
Seeds
YOUR PORTION
How much are you having?
Scale the published reference values to your portion.
Per 100 g (as listed by source). USDA FoodData Central.
How this is calculated
total carbohydrate - fiber. Each published value is multiplied by your portion divided by the reference amount. No extra fiber, sugar alcohol or allulose deductions are applied here.
Grams and milliliters are not interchangeable. Household measures require a food-specific conversion; check your scale or product label.
12.5gnet carbs in your portion
- Total carbs
- 52.3g
- Fiber
- 39.8g
- Protein
- 16g
- Fat
- 15g
- Calories
- 345
Fennel seeds are moderate for keto with ~12.5g net carbs per 100g (about 0.6g per teaspoon) but excellent when used as a spice in teaspoon amounts. They support digestion and bring a licorice-like note to distinctive keto dishes.
- Net carbs (100 g)12.5g
- Protein (100 g)16g
- Fat (100 g)15g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100 g (as listed by source)
Net Carbs
12.5g
Total Carbs
52.3g
Fiber
39.8g
Protein
16g
Fat
15g
Calories
345
Source: USDA FoodData Central reference record
Source fit: generic reference; variety, brand, or preparation may differ
Net-carb calculation: total carbohydrate - fiber
This USDA record is used as a generic nutrition reference; variety, brand, or preparation may differ.
Nutrition record reviewed 2026-07-09. Maintained by KetoLens Team.
WHY IT'S KETO-FRIENDLY
- Moderate net carbs (~12.5g/100g) but tiny spice portions (½–1 tsp) keep impact very low
- Exceptional fiber (35.6g/100g) supports digestion and satiety
- Powerful flavor means only small amounts are needed per serving
- Use primarily as seasoning, not a bulk food item
- Lower calorie density than many nuts/seeds (345 kcal/100g) when compared by weight
- Fits a wide range of keto cuisines: Mediterranean, Indian, pickling, and roasts
PREPARATION SUGGESTIONS
DIGESTION TEA
Steep 1 teaspoon seeds in hot water for a soothing after-meal digestif.
SEASONING BLEND
Grind with mustard-seeds and cumin-seeds for a rub on fish or pork.
INDIAN CURRY
Toast lightly and add to keto curry for authentic fennel warmth.
PICKLING SPICE
Add whole seeds to brine for vegetables and keto-friendly condiments.
ROASTED VEGETABLES
Toast and sprinkle over roasted cauliflower or cabbage for subtle anise notes.
SEAFOOD SEASONING
Include in Mediterranean-style seasoning for grilled fish or shrimp.