1 piece (medium) of 80% dark chocolate (20 g) has 110 calories. That works out to 550 calories per 100 g. It contains 5.6 g of carbs, 1.5 g of protein, 8.6 g of fat and 2.2 g of fiber. Its 0.4 mg of Copper covers 40% of the Daily Value. Its glycemic index is 25 (low), so it raises blood sugar slowly.

What is 80% dark chocolate?

80% dark chocolate is a cocoa-rich bar made with cocoa solids and cocoa butter, with less sugar than sweeter chocolate styles. Its deep colour and bold, bittersweet flavour come through in a firm piece that breaks cleanly and may feel slightly grainy inside.

It is often enjoyed a square at a time with coffee or tea, eaten after a meal, or chopped into cakes and biscuits. The high cocoa content contributes fibre, while the chocolate is also energy-dense and rich in fat. Its intensity pairs well with berries, nuts or dried fruit; if you find it too bitter on its own, use a small amount grated over yoghurt or porridge.

80% dark chocolate Nutrition Facts

Selected: 100 g

550

KCAL / 100G

Carbs

28g

· 10% DV

Protein

7.5g

· 15% DV

Fat

43g

· 55% DV

Fiber

11g

· 39% DV

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

Calories come from: Carbs 21% · Protein 6% · Fat 73%

80% dark chocolate Vitamins & Minerals

Vitamins

0.25mg · 19% DV

Vitamin K

9µg · 8% DV

0.08mg · 7% DV

1.1mg · 7% DV

Minerals

Copper

2mg · 222% DV

Iron

12mg · 67% DV

Magnesium

228mg · 54% DV

Phosphorus

308mg · 44% DV

How Nutritious Is 80% dark chocolate?

Nutrient density

Medium

45/ 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

41/ 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.

80% dark chocolate 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 80% dark chocolate

To burn the 550 calories in 100 g:

🚶

136min

Walking (5 km/h)

🏃

56min

Running (8 km/h)

🚴

75min

Cycling

🏊

64min

Swimming

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

Is 80% dark chocolate 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 80% dark chocolate Contain Allergens?

Contains these allergens:

Gluten free

Dairy yes

Eggs free

Peanuts free

Tree nuts free

Fish free

Soy free

Sesame free

Which Diets Is 80% dark chocolate Good For?

Vegan

— Not suitable

Vegetarian

✓ Suitable

Gluten-Free

— Not suitable

Dairy-Free

— Not suitable

Mediterranean

— Not suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

80% dark chocolate Fat Profile

SATURATED

25g

MONOUNSATURATED

12g

POLYUNSATURATED

2.5g

⚖️

Omega 6:3 ratio 7.5:1

Above the ideal 4:1 (7.5:1).

Compare 80% dark chocolate

🍫vs🍬

80% dark chocolate vs Rose Turkish delight220 kcal more per 100 g

→🍫vs🍯

80% dark chocolate vs Caramel sauce230 kcal more per 100 g

→🍫vs🍫

80% dark chocolate vs Dark chocolate10 kcal more per 100 g

→🍫vs🍮

80% dark chocolate vs Höşmerim230 kcal more per 100 g

→

Foods Similar to 80% dark chocolate

🍬

Rose Turkish delight

330 kcal

🍯

Caramel sauce

320 kcal

🍫

Dark chocolate

540 kcal

🍮

Höşmerim

320 kcal

🍫

Chocolate sauce

210 kcal

🍬

Fruit Leather

320 kcal

🍬

Pistachio Turkish Delight

370 kcal

🍮

Kazandibi

145 kcal

Frequently Asked Questions About 80% dark chocolate

Is 80% dark chocolate good for you?

It can be a source of cocoa flavanols, but it is still an energy-dense sweet, not a health treatment. Enjoying a modest portion makes more sense than assuming a high cocoa percentage makes unlimited amounts beneficial.

Does 80% dark chocolate contain caffeine?

Yes. Cocoa naturally contains caffeine as well as theobromine, and both are present in 80% dark chocolate. The amount varies with the beans and the product, so the percentage alone cannot tell you the exact dose.

Is 80% dark chocolate dangerous for dogs?

Yes, it can be dangerous: cocoa contains theobromine and caffeine, which dogs process poorly. Keep 80% dark chocolate out of reach; if your dog eats any, contact a veterinarian promptly and share the package and estimated amount.

Can you bake with 80% dark chocolate?

Yes, it works well in brownies, cakes, and ganache when you want a deep cocoa flavor. It is less sweet than many baking chocolates, so follow the recipe’s sugar balance rather than swapping it in blindly.

Why does 80% dark chocolate turn white?

A pale film is often cocoa butter or sugar bloom, caused by temperature changes or moisture; it does not automatically mean the chocolate is unsafe. Discard it if it smells rancid, is damp, or has an unusual taste.

Does 80% dark chocolate mean it has only 20% sugar?

No. The 80% refers to the cocoa content, not to a guaranteed sugar percentage. The remaining portion may include sugar, cocoa butter, and other ingredients, so check the ingredient list for the specific bar.

Can 80% dark chocolate help with weight loss?

It does not cause weight loss. Its intense flavor may make a small piece satisfying for some people, but it is still calorie-dense, so adding large portions can work against a weight-loss plan.

Can 80% dark chocolate keep you awake?

Yes, it can affect sleep in caffeine-sensitive people because cocoa contains caffeine and theobromine. If you notice restlessness after eating it, have it earlier in the day rather than close to bedtime.

How do you melt 80% dark chocolate without burning it?

Chop it into small, even pieces and melt it gently over barely simmering water or in short microwave intervals, stirring between each. Keep water and steam out of the bowl, since moisture can make melted chocolate seize.

Should 80% dark chocolate be refrigerated?

Usually not. Keep it sealed in a cool, dry place away from sunlight and strong odors; refrigeration can cause condensation and a pale sugar bloom. In a hot climate, seal it well before chilling and let it warm while still wrapped.

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 24, 2026