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High cocoa content, antioxidant-rich, low sugar
In season: Winter · Autumn · Spring · Summer
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 piece (medium) of Pure dark chocolate (20 g) has 120 calories. That works out to 600 calories per 100 g. It contains 9.2 g of carbs, 1.6 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 23 (low), so it raises blood sugar slowly.
Selected: 1 piece (medium) · 20 g
120
KCAL / 20G
Carbs
9.2g
· 3% DV
Protein
1.6g
· 3% DV
Fat
8.6g
· 11% DV
Fiber
2.2g
· 8% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 31% · Protein 5% · Fat 64%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 120 kcal | |
| Total fat | 8.6 g | 11% |
| Saturated fat | 5 g | 25% |
| Trans fat | 0 g | |
| Sodium | 4 mg | 0% |
| Total carbohydrate | 9.2 g | 3% |
| Fiber | 2.2 g | 8% |
| Protein | 1.6 g | 3% |
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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| Serving | Amount | Calories |
|---|---|---|
| 1 piece (medium) | 20 g | 120 kcal |
| 1 piece (extra small) | 5 g | 30 kcal |
| 1 piece (small) | 10 g | 60 kcal |
| 1 slice (thin) | 15 g | 90 kcal |
| 1 serving (medium) | 25 g | 150 kcal |
| 1 slice (thick) | 30 g | 180 kcal |
| 1 piece (large) | 40 g | 240 kcal |
| 1 pack (whole) | 80 g | 480 kcal |
| 100 g | 100 g | 600 kcal |
Calculated from 600 calories per 100 g.
Pure dark chocolate can provide cocoa flavanols, especially when it has a high cocoa content, but it is still an energy-dense sweet. Enjoying a modest amount is a more useful approach than treating it as a health food.
Yes, pure dark chocolate contains caffeine, along with the related stimulant theobromine. The amount varies with the cocoa content and serving size, so a large portion late in the day may affect people who are sensitive to stimulants.
No, pure dark chocolate is toxic to dogs because cocoa contains theobromine and caffeine. If your dog eats any, contact a veterinarian promptly and share the product details and estimated amount rather than waiting for symptoms.
Sometimes, but pure dark chocolate is not automatically interchangeable with unsweetened baking chocolate. It usually contains sugar and cocoa butter, so a direct swap can make a recipe sweeter or change its texture; use a recipe written for the chocolate you have.
A pale coating on pure dark chocolate is usually fat or sugar bloom, caused by temperature changes or moisture. It is generally a quality issue rather than a sign of spoilage, though the chocolate may taste or feel different.
Break pure dark chocolate into small pieces and heat it gently, stirring often. A dry bowl over barely simmering water works well; keep water and steam out of the chocolate, since even a little moisture can make it seize.
Store pure dark chocolate tightly wrapped in a cool, dry, dark place away from strong odors. Refrigeration is usually unnecessary and can expose it to moisture or odors; if your room is hot, seal it well before chilling.
Choose the cocoa percentage according to your taste and how you plan to use the chocolate. A higher percentage usually means a more intense, bitter cocoa flavor and less room for sugar, while a lower one is often milder and sweeter.
It can, particularly if you eat a substantial amount near bedtime and are sensitive to caffeine or theobromine. If you notice that it disrupts your sleep, enjoy pure dark chocolate earlier in the day or choose a different evening treat.
There is no universal daily amount of pure dark chocolate that suits everyone. Treat it as a concentrated sweet, choose a modest portion, and account for it alongside your other foods rather than assuming its cocoa content makes unlimited servings beneficial.
Vitamins
B1
0.02mg · 2% DV
Biotin
0.4µg · 1% DV
Vitamin K
1.6µg · 1% DV
B3
0.2mg · 1% DV
Minerals
Copper
0.36mg · 40% DV
Iron
2.38mg · 13% DV
Manganese
0.3mg · 13% DV
Magnesium
46mg · 11% DV
Potassium ⭐
143mg · 4% DV
Sodium
4mg · 0% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 120 calories in 1 piece (medium) (20 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Pure dark chocolate is made from cocoa solids and cocoa butter, usually with some sugar. It comes from cacao beans grown in tropical regions; compared with milk chocolate, it has a more pronounced cocoa flavour, and higher-cocoa versions tend to taste less sweet and more bittersweet.
It is often enjoyed in a small piece with coffee or tea, eaten after a meal, or melted into baking and desserts. Its flavour is deep and slightly bitter, with a smooth, firm texture that softens as it melts. It is energy-dense and provides some fibre, so a modest portion works well; pair it with fresh fruit or plain coffee for a simple treat.
Medium
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Medium
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.
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.
No known major allergens
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
— Not suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
SATURATED
5g
MONOUNSATURATED
2.6g
POLYUNSATURATED
0.24g
Omega 6:3 ratio 11:1
Above the ideal 4:1 (11:1).
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Nutrition data compiled from USDA FoodData Central and scientific sources.