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Quick energy, high glycemic index, pure carbohydrate
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 teaspoon (medium) of Sugar (teaspoon) (4 g) has 15 calories. That works out to 387 calories per 100 g. It contains 4 g of carbs, 0 g of protein, 0 g of fat and 0 g of fiber. Its glycemic index is 65 (high), so it raises blood sugar quickly.
Selected: 1 teaspoon (medium) · 4 g
15
KCAL / 4G
Carbs
4g
· 1% DV
Protein
0g
· 0% DV
Fat
0g
· 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 100% · Protein 0% · Fat 0%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 15 kcal | |
| Total fat | 0 g | 0% |
| Saturated fat | 0 g | 0% |
| Trans fat | 0 g | |
| Sodium | 0.04 mg | 0% |
| Total carbohydrate | 4 g | 1% |
| Fiber | 0 g | 0% |
| Protein | 0 g | 0% |
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 teaspoon (medium) | 4 g | 15 kcal |
| 1 piece (large) | 5 g | 19 kcal |
| 2 teaspoon (double) | 8 g | 31 kcal |
| 1 serving (large) | 10 g | 39 kcal |
| 1 tablespoon (medium) | 12 g | 46 kcal |
| 1 tablespoon (large) | 15 g | 58 kcal |
| 1 pack (small) | 20 g | 77 kcal |
| 100 g | 100 g | 387 kcal |
| 1 cup (whole) | 200 g | 774 kcal |
Calculated from 387 calories per 100 g.
Too much sugar can harm your health, especially by contributing to tooth decay and excess weight. You do not need to eliminate it entirely, but cutting back on added sugar in drinks and everyday foods is a useful step.
Sugar alone does not directly cause diabetes. Type 1 diabetes is not caused by eating sugar; for type 2, frequent sugary drinks and excess weight can raise risk, alongside other factors such as genetics and activity level.
Yes, people with diabetes can eat sugar, but it can raise blood glucose quickly, so portions and meal timing matter. Anyone using insulin or glucose-lowering medication should follow an individualized plan from their diabetes care team.
It can, when it adds more energy to your diet than your body uses. Sugary drinks and frequent sweets are easy to consume without feeling full, so reducing added sugar in drinks can be a practical change.
No, brown sugar is not meaningfully healthier than white sugar. It contains molasses, which gives it its color and flavor, but your body still treats it as sugar; use either kind in moderation.
Dry, uncontaminated sugar is very unlikely to spoil, though it can harden into lumps if exposed to moisture. Discard it if it gets wet, develops an unusual smell or appearance, or is contaminated by pests.
Store sugar in a clean, airtight container in a cool, dry place. Moisture can make it clump, while an open container can pick up odors or attract pests; always use a dry spoon.
Research has not shown that sugar directly causes hyperactivity in children. Sugary treats are often eaten at exciting events, which can make the two seem linked; limiting frequent sugary snacks still helps protect children’s teeth.
Sugar is not considered addictive in the same clinical sense as drugs, though people can strongly crave sweet foods and find habits hard to change. Regular meals and keeping fewer sugary snacks within easy reach can help reduce cravings.
White sugar is made by extracting sugar-rich juice from sugar cane or sugar beet, then purifying and concentrating it. The sugar is crystallized, separated from the remaining liquid, and dried before being sold as granulated sugar.
Vitamins
Vitamin A
0µg · 0% DV
B1
0mg · 0% DV
B2
0mg · 0% DV
B3
0mg · 0% DV
Minerals
Copper
0mg · 0% DV
Manganese
0mg · 0% DV
Calcium
0.04mg · 0% DV
Phosphorus
0.02mg · 0% DV
Potassium ⭐
0.08mg · 0% DV
Sodium
0.04mg · 0% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 15 calories in 1 teaspoon (medium) (4 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.
Sugar, measured here by the teaspoon, is the familiar table sweetener usually made from sugar beet or sugar cane. It dissolves readily in hot drinks and is also used in baking, desserts, sauces and preserves. Across the English-speaking world, people add it to tea or coffee to taste, while recipes use it to sweeten and help give baked goods their texture and colour.
Its clean sweetness can be adjusted easily from cup to cup. Sugar is almost entirely carbohydrate, with 99.8 g per 100 g, and provides quick energy. If you want a less-sweet drink, start with a smaller spoonful; cinnamon or citrus can add flavour without adding more sugar.
Low
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Low
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
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
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Nutrition data compiled from USDA FoodData Central and scientific sources.