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Butter (slice) Calories
High fat, low protein and carbs, source of vitamin A
CALORIES
GI
POTASSIUM
FIBER
Butter (slice) Nutrition Facts
Selected: 100 g
717
KCAL / 100G
Carbs
0.1g
· 0%
Protein
0.9g
· 0%
Fat
81g
· 100%
Fiber
0g
Butter (slice) Vitamins & Minerals
Vitamins
Vitamin A
684µg · 76% DV
Vitamin E
2.32mg · 15% DV
Biotin
2.5µg · 8% DV
B12
0.17µg · 7% DV
Minerals
Phosphorus
24mg · 3% DV
Calcium
24mg · 2% DV
Selenium
1µg · 2% DV
Iodine
2µg · 1% DV
Butter (slice) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Butter (slice) 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 Butter (slice) Contain Allergens?
Contains these allergens:
Which Diets Is Butter (slice) Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
Butter (slice) Fat Profile
SATURATED
51g
MONOUNSATURATED
21g
POLYUNSATURATED
3g
Omega 6:3 ratio 7.3:1
Above the ideal 4:1 (7.3:1).
Foods Similar to Butter (slice)
Butter (slice) — Frequently Asked Questions
Is butter good for frying, or does it burn easily?
Butter adds rich flavor, but its milk solids can burn at high heat. It works well for gentle sautéing or finishing dishes, while very high-heat cooking may call for more caution.
How should sliced butter be stored after opening?
Keep butter refrigerated and well wrapped to protect it from air, light, and odors. Butter easily absorbs nearby smells, so avoid storing it uncovered next to strong-smelling foods.
Can butter be frozen?
Yes, butter freezes well. Wrapping it tightly and portioning it before freezing helps preserve quality and makes it easier to use later.
What is the main difference between butter and margarine?
Butter is made from milk, while margarine is usually made from vegetable oils. They differ in flavor, texture, processing, and fatty acid profile.
Is butter better on bread or in cooking?
That depends on the goal: on bread, its flavor stands out more clearly; in cooking, it adds body and richness to sauces, mashed vegetables, and similar dishes. Adding it near the end often preserves more of its aroma.
Is butter a good choice before or after a workout?
On its own, butter is not usually the most practical pre- or post-workout food. Around training, it is generally more useful as part of a meal that also includes carbohydrate and/or protein.
Does eating butter at night cause weight gain?
Weight gain is driven by overall energy balance, not by one specific clock time. Because butter is energy-dense, portion size matters whether you eat it at night or during the day.
Is butter always a problem for people with lactose intolerance?
Not always, because butter generally contains much less lactose and protein than many other dairy foods. Still, tolerance varies, so sensitive individuals should judge it by their own response.
Does darker yellow butter mean it is healthier?
No, color alone is not a reliable sign of healthfulness. Butter color can vary with the animal’s feed, the season, and production factors.
Who should be more careful with butter?
People with a dairy allergy should avoid butter because it contains milk allergens. Those who need to limit saturated fat may also want to be more mindful of portion size and frequency.
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Nutrition data compiled from USDA FoodData Central and scientific sources.