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Dark brown coffee fills a small cup, with a smooth surface and a thin layer of lighter brown foam around the edge.
●Low GI

21-Day Coffee Calories

Low calorie, antioxidant source, contains caffeine

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

2kcal

GI

0low

POTASSIUM · 100 G

50mg

FIBER · 100 G

0g

Quick answer

1 cup (medium) of 21-Day Coffee (240 g) has 5 calories. That works out to 2 calories per 100 g. It contains 0.5 g of carbs, 0.7 g of protein, 0.2 g of fat and 0 g of fiber. Its 0.7 mg of B3 covers 5% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.

21-Day Coffee Nutrition Facts

Selected: 1 cup (medium) · 240 g

5

KCAL / 240G

Carbs

0.5g

· 0% DV

Protein

0.7g

· 1% DV

Fat

0.2g

· 0% DV

Fiber

0g

· 0% DV

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

Calories come from: Carbs 30% · Protein 42% · Fat 28%

21-Day Coffee nutrition facts table · 1 cup (medium) (240 g)

NutrientAmount% DV
Calories5 kcal
Total fat0.2 g0%
Saturated fat0.02 g0%
Trans fat0 g
Sodium4.8 mg0%
Total carbohydrate0.5 g0%
Fiber0 g0%
Protein0.7 g1%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Cup of 21-Day Coffee?

ServingAmountCalories
1 cup (medium)240 g5 kcal
1 piece (mini)60 g1 kcal
100 g100 g2 kcal
1 serving (small)120 g2 kcal
1 cup (small)180 g4 kcal
1 serving (medium)240 g5 kcal
1 cup (large)350 g7 kcal
1 serving (large)350 g7 kcal

Calculated from 2 calories per 100 g.

Frequently Asked Questions About 21-Day Coffee

What is 21-Day Coffee?

21-Day Coffee is a name used for coffee products marketed around a 21-day drinking plan. The name alone does not identify a standard recipe, so ingredients and directions can differ between products.

Does 21-Day Coffee help you lose weight?

No, 21-Day Coffee has not been shown to cause weight loss by itself. Caffeine may temporarily increase alertness, but drinking the product does not guarantee fat loss or replace balanced meals.

What ingredients are in 21-Day Coffee?

The ingredients in 21-Day Coffee depend on the specific product. Some products may include additions beyond coffee, so read the ingredient list rather than assuming every product with this name has the same formula.

How do you make 21-Day Coffee?

Prepare 21-Day Coffee according to the directions on its package. Products may differ in form and ingredients, so there is no single preparation method or serving instruction that applies to every 21-Day Coffee.

When should you drink 21-Day Coffee?

Drink 21-Day Coffee earlier in the day if caffeine affects your sleep. Follow the product’s directions, and avoid treating a suggested schedule as universal because products sold under this name may have different formulations.

Is 21-Day Coffee different from regular coffee?

It can be: 21-Day Coffee is often presented as a product or a timed drinking plan, while regular coffee may simply be brewed coffee. Check the ingredients to find out what, if anything, has been added.

Can you drink 21-Day Coffee on an empty stomach?

Yes, but 21-Day Coffee may cause nausea, reflux, or stomach discomfort when consumed without food, as coffee can for some people. If that happens, have it with or after a meal and follow the product directions.

Does 21-Day Coffee contain caffeine?

Many 21-Day Coffee products contain caffeine, but the name does not guarantee a particular amount or even the same formula across brands. Check the package, especially if you are limiting caffeine or are sensitive to it.

Can 21-Day Coffee cause side effects?

Yes, 21-Day Coffee may cause jitters, a racing heartbeat, stomach discomfort, or poor sleep, particularly if it contains caffeine or other active ingredients. If you take medication or have a health condition, ask a healthcare professional before using it.

Can you drink 21-Day Coffee while pregnant?

Ask your prenatal healthcare professional before using 21-Day Coffee during pregnancy, because caffeine intake and added ingredients both matter. The product name does not reveal its full formulation, so bring the ingredient list when you ask.

21-Day Coffee Vitamins & Minerals

Vitamins

B3

0.72mg · 5% DV

B2

0.05mg · 4% DV

B5

0.17mg · 3% DV

B1

0.02mg · 2% DV

Minerals

Manganese

0.12mg · 5% DV

Potassium ⭐

120mg · 4% DV

Copper

0.02mg · 2% DV

Phosphorus

17mg · 2% DV

Sodium

4.8mg · 0% DV

21-Day Coffee Glycemic Index

GLYCEMIC INDEX

0
Low
0 Low5570100

GLYCEMIC LOAD

0
Low

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

How to Burn Off 21-Day Coffee

To burn the 5 calories in 1 cup (medium) (240 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.

What is 21-Day Coffee?

21-Day Coffee is a coffee drink whose name suggests a set-length routine; the exact coffee type and any added ingredients can vary by product, so check the preparation directions on the pack. Prepared as a plain coffee, it has a roasted aroma, some bitterness and a light, fluid texture.

People drink coffee in many ways around the world: serve it hot on its own, or add milk or a sweetener to suit your taste. It can work as a simple morning drink or an afternoon break, though its caffeine may not suit everyone late in the day. Plain coffee is very low in calories—about 2 per 100 g—and contains caffeine. Keeping it unsweetened makes it a lighter choice.

How Nutritious Is 21-Day Coffee?

Nutrient density

Low

10/ 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.

Is 21-Day Coffee Processed?

NOVA 2

Minimally 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 21-Day 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 21-Day 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

✓ Suitable

Low FODMAP

— Not suitable

21-Day Coffee Fat Profile

SATURATED

0.02g

MONOUNSATURATED

0.02g

POLYUNSATURATED

0.02g

Compare 21-Day Coffee

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37 kcal

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20 kcal

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1 kcal

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Have another question about 21-Day Coffee?

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Nutrition data compiled from USDA FoodData Central and scientific sources.