1 teaspoon (small) of Unsweetened instant coffee (2 g) has 0 calories. That works out to 2 calories per 100 g. It contains 0 g of carbs, 0 g of protein, 0 g of fat and 0 g of fiber. Its glycemic index is 0 (low), so it raises blood sugar slowly.

Unsweetened instant coffee Nutrition Facts

Selected: 100 g

KCAL / 100G

Carbs

0.3g

· 0% DV

Protein

0.1g

· 0% DV

Fat

· 0% DV

Fiber

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 75% · Protein 25% · Fat 0%

Unsweetened instant coffee Vitamins & Minerals

Vitamins

0.04mg · 3% DV

0.5mg · 3% DV

Folate

2µg · 1% DV

Vitamin A

0µg · 0% DV

Minerals

Magnesium

3mg · 1% DV

Potassium ⭐

49mg · 1% DV

Calcium

2mg · 0% DV

Iron

0mg · 0% DV

How Nutritious Is Unsweetened instant coffee?

Nutrient density

Low

18/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

40/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Unsweetened instant coffee Glycemic Index

GLYCEMIC INDEX

Low

0 Low5570100

GLYCEMIC LOAD

Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Unsweetened instant coffee

To burn the 2 calories in 100 g:

🚶

1min

Walking (5 km/h)

🏃

1min

Running (8 km/h)

🚴

1min

Cycling

🏊

1min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

Is Unsweetened instant coffee Processed?

NOVA 3

Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Unsweetened instant coffee Contain Allergens?

No known major allergens

Gluten free

Dairy free

Eggs free

Peanuts free

Tree nuts free

Fish free

Soy free

Sesame free

Which Diets Is Unsweetened instant coffee Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Unsweetened instant coffee Fat Profile

SATURATED

MONOUNSATURATED

POLYUNSATURATED

Compare Unsweetened instant coffee

☕vs☕️

Unsweetened instant coffee vs Turkish coffee5 kcal fewer per 100 g

→☕vs🥛

Unsweetened instant coffee vs Ayran35 kcal fewer per 100 g

→☕vs🧊🍵

Unsweetened instant coffee vs Iced Tea18 kcal fewer per 100 g

→☕vs🍵

Unsweetened instant coffee vs Tea1 kcal more per 100 g

→

Foods Similar to Unsweetened instant coffee

☕️

Turkish coffee

7 kcal

🥛

Ayran

37 kcal

🧊🍵

Iced Tea

20 kcal

🍵

Tea

1 kcal

🥤

Detox Water

2 kcal

🥤

Soda

42 kcal

☕️

Coffee

2 kcal

🥤

Cola

42 kcal

Frequently Asked Questions About Unsweetened instant coffee

How many calories are in unsweetened instant coffee?

Unsweetened instant coffee contains 2 calories per 100 g. It has 0 g of fat and 0.3 g of carbohydrates per 100 g.

Is unsweetened instant coffee suitable for vegan and gluten-free diets?

Yes. Based on the provided information, unsweetened instant coffee is compatible with vegan, vegetarian, and gluten-free diets, as well as Paleo and Mediterranean eating patterns.

Have another question about Unsweetened instant coffee?

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 22, 2026