Black coffee is perfect for keto—0g net carbs and essentially calorie-free. A clean, unsweetened cup can boost alertness and focus without affecting ketosis.
Is Black Coffee Keto?
Coffee & Tea

KETO VERDICTYES
Black coffee is perfect for keto—0g net carbs and essentially calorie-free. A clean, unsweetened cup can boost alertness and focus without affecting ketosis.
- Net carbs (100g)0g
- Protein (100g)0.1g
- Fat (100g)0g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100g (raw)
Net Carbs
0g
Total Carbs
0g
Fiber
0g
Protein
0.1g
Fat
0g
Calories
2
Source: USDA FoodData Central
WHY IT'S KETO-FRIENDLY
- Zero net carbs per serving—no impact on ketosis
- Caffeine may support energy, focus, and perceived appetite control
- Easy to keep unsweetened—no sugar or cream required
- Pairs well with keto fats (butter, MCT oil) if desired
- Portable and simple—works for travel and busy mornings
- Hydrating beverage option that’s naturally carb-free
HEALTH BENEFITS
- Rich in antioxidant polyphenols (e.g., chlorogenic acids)
- May improve cognitive performance and reaction time
- Associations with reduced risk of several chronic diseases
- Potential liver-supportive effects in observational studies
- Anti-inflammatory compounds may support metabolic health
- Very low calorie—easy to include during weight loss
PREPARATION SUGGESTIONS
CLASSIC BREW
Use drip or French press for a smooth, full-bodied cup; enjoy black to keep it zero-carb.
ESPRESSO SHOT
Pull a concentrated shot for a quick boost; add a splash of heavy cream if desired.
POUR OVER
Brew with a cone or Chemex for a clean, bright cup with precise control.
COLD BREW
Steep grounds 12–18 hours in cold water for a smooth, low-acidity brew.
AMERICANO
Dilute espresso with hot water for a larger, longer-sipping cup.
TURKISH COFFEE
Brew finely ground coffee in a small pot for a rich, traditional preparation.