Coffee
No glycemic index8/10
No glycemic index — no carbohydrates
0.2 g carbohydrates per 100 g
Logi score 8/10
- A cup of black coffee has about 2 kcal and no sugar, fat or digestible carbohydrates.
- About 40 mg of caffeine per 100 ml, roughly 95 mg in a 240 ml cup.
Coffee has no glycemic index: it contains no carbohydrates.
Reviewed Aug 6, 2026 · Sources: USDA FoodData Central #171881 , Logi Nutrition Team · Not medical advice · Report an error
Instead of this
- no GI Green tea is a hot drink with no calories and far less caffeine than brewed coffee.
Green Tea - no GI Black tea fills the same morning-cup role with about half the caffeine of brewed coffee.
Black tea - GL 1 per 100 g Roasted chicory brews into a dark, bitter drink that tastes close to coffee and has no caffeine.
Chicory coffee - no GI Rooibos is a caffeine-free hot drink with no sugar, a good evening cup instead of coffee.
Rooibos tea
Forms of Coffee
Logi · Manage Insulin Resistance
Lower your blood sugar through smarter food choices
Coffee is one of the 11,150 foods Logi scores when you photograph a meal — with the portion.
Portions
| Portion | Grams |
|---|---|
| 1 fl oz | 30 g |
| 1 coffee cup (6 fl oz) | 178 g |
| 1 cup (8 fl oz) | 237 g |
| 1 mug (12 fl oz) | 355 g |
Nutrition Facts (per 100g)
1
Calories
0.2 g
Carbs
0.1 g
Protein
0 g
Fat
per 100g
| Calories | 1 kcal |
| Carbohydrates | 0.2 g |
| Sugars (Total) | 0 g |
| Natural | 0 g |
| Added | 0 g |
| Fiber | 0 g |
| Soluble | 0 g |
| Insoluble | 0 g |
| Protein | 0.1 g |
| Fat | 0 g |
| Saturated | 0 g |
| Unsaturated | 0 g |
| Sodium | 2 mg |
Processing Level
25%
Minimal
Why this score?
- A cup of black coffee has about 2 kcal and no sugar, fat or digestible carbohydrates.
- It does not add to the glycemic load of a meal.
- Contains polyphenols such as chlorogenic acids, which give coffee its bitterness.
- About 40 mg of caffeine per 100 ml, roughly 95 mg in a 240 ml cup.
- Caffeine late in the day can make it harder to fall asleep.
- Sugar, syrups and cream, not the coffee itself, bring most of the calories in coffee drinks.
Calculate the glycemic load of a meal with Coffee
Allergens
No EU-14 allergen listed
Low-GI recipes on Logi Food Coach
Frequently Asked Questions
What is the glycemic index of Coffee?
Coffee has no glycemic index because it contains no carbohydrates (0.2 g per 100 g).
Is Coffee good for people with insulin resistance?
Coffee contains no carbohydrates, so on its own it does not raise blood sugar.
Check Coffee in the Logi app, with your portion.
