Ultra-low carb, smooth caffeine. Plain cold brew has ~0.2g net carbs per 100ml (~0.5g per 240ml cup). The long steep yields a mellow, less-bitter cup—an easy daily keto choice (just keep add-ins unsweetened).
Is Cold Brew Coffee Keto?
Coffee & Tea

KETO VERDICTYES
Ultra-low carb, smooth caffeine. Plain cold brew has ~0.2g net carbs per 100ml (~0.5g per 240ml cup). The long steep yields a mellow, less-bitter cup—an easy daily keto choice (just keep add-ins unsweetened).
- Net carbs (100g)0.2g
- Protein (100g)0.1g
- Fat (100g)0g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100g (raw)
Net Carbs
0.2g
Total Carbs
0.2g
Fiber
0g
Protein
0.1g
Fat
0g
Calories
2
Source: USDA FoodData Central
WHY IT'S KETO-FRIENDLY
- Ultra-low carbs: ~0.2g net per 100ml fits strict keto easily
- No sugar by default: Skip sweeteners to keep it zero-impact
- Smooth profile: Extended steep reduces bitterness vs. hot brew
- Flexible base: Accepts keto add-ins like cream or MCT oil
- Convenient batching: Make once, enjoy all week
- Stable energy: Caffeine without sugary spikes
HEALTH BENEFITS
- Rich in antioxidants that support cellular defense
- Naturally higher caffeine per volume (when used as concentrate)
- May support fat loss via caffeine-driven thermogenesis
- Often gentler on the stomach due to lower perceived acidity
- Supports cognitive function (alertness, focus) from caffeine
- Pairs well with fats, aiding absorption of fat-soluble vitamins
PREPARATION SUGGESTIONS
BATCH BREWING
Use 1 part coarse grounds to 4 parts water; steep 12–24 hours, then strain and chill.
WITH CREAM
Combine 100ml cold brew with 50ml heavy cream or unsweetened almond milk.
BULLETPROOF STYLE
Blend cold brew with 1 Tbsp butter or MCT oil for a fat-fueled drink.
OVER ICE
Pour over ice; dilute concentrate 1:1–1:2 with water to taste.
STRAIGHT
Sip as a strong, unsweetened pick-me-up.
EXTENDED STORAGE
Refrigerate in a sealed bottle; best within 7–10 days (quality) and up to ~2 weeks.