Black Coffee
Every 100 g of Black Coffee contains 2 kcal and 0.3 g of protein. Because it has less than 5 g of available carbohydrate per 100 g, the glycemic index does not apply and its direct effect on blood sugar is minimal.
Medically reviewed by Dr. Wassim Habib · Last reviewed 12 October 2026
Glycemic index
Glycemic load
Calories
Protein
💡 Smart Nutritional Guidance
Consumption advice
Black coffee without additions contains almost no calories.
Best preparation methods
If you want milk, use a small unsweetened amount, and avoid flavoured syrups and cream.
Important Nutritional Note
Contains caffeine: keep intake moderate, especially in the evening, and ask your doctor if you are pregnant or take medication affected by caffeine.
Nutrition facts
| Nutrient | Per 100 g | Per typical portion (240 g) |
|---|---|---|
| Calories | 2 kcal | 4.8 kcal |
| Protein | 0.3 g | 0.7 g |
| Carbohydrate | 0 g | 0 g |
| Available carbohydrate | 0 g | 0 g |
| Fat | 0 g | 0 g |
| Dietary fibre | 0 g | 0 g |
The typical portion is approximate, for comparison purposes.
Comparison & smarter alternatives
It has 2 kcal per 100 g, ranking 1 of 2 in Drinks (lowest first).
Other foods in this group:
Frequently asked questions
Is Black Coffee good for weight loss?
Yes. Black Coffee is very low in calories (2 kcal per 100 g), so you can eat a generous amount to add volume and fullness to a meal without many calories.
How does Black Coffee affect blood sugar?
Black Coffee contains virtually no available carbohydrate, so the glycemic index does not apply and its direct effect on blood sugar is minimal. The meal’s effect depends on what you eat with it, such as bread, rice or sweetened sauces.
What is the nutritional value of a typical portion of Black Coffee?
A typical 240 g portion of Black Coffee provides about 5 kcal, 0.7 g protein, 0 g carbohydrate, 0 g fat and 0 g fibre.
Disclaimer: This guidance is for nutritional lifestyle orientation and does not constitute a diagnostic medical device under EU Regulation MDR 2017/745.