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Black roast coffee, unsweetened Calories
Caffeine source, zero calories, rich in antioxidants
CALORIES
GI
POTASSIUM
FIBER
Black roast coffee, unsweetened Nutrition Facts
Selected: 100 g
1
KCAL / 100G
Carbs
0g
· 0%
Protein
0.1g
· 100%
Fat
0g
· 0%
Fiber
0g
Black roast coffee, unsweetened Vitamins & Minerals
Vitamins
B3
0.3mg · 2% DV
B2
0.02mg · 2% DV
B1
0.01mg · 1% DV
Folate
2µg · 1% DV
Minerals
Magnesium
7mg · 2% DV
Potassium ⭐
49mg · 1% DV
Phosphorus
7mg · 1% DV
Sodium
2mg · 0% DV
Black roast coffee, unsweetened Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Black roast coffee, unsweetened 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 Black roast coffee, unsweetened Contain Allergens?
No known major allergens
Which Diets Is Black roast coffee, unsweetened 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
Black roast coffee, unsweetened Fat Profile
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
Foods Similar to Black roast coffee, unsweetened
Black roast coffee, unsweetened — Frequently Asked Questions
When should black roast coffee be consumed to interfere less with sleep?
Caffeine sensitivity varies, but stopping coffee around 6–8 hours before bedtime may help protect sleep. Afternoon coffee can delay falling asleep in some people.
Can strong black coffee upset the stomach on an empty stomach?
Yes. In sensitive people, coffee on an empty stomach may worsen heartburn, nausea, or reflux symptoms. Having it with a small meal or trying a less acidic brew may be more comfortable.
Is black coffee useful before a workout?
Caffeine can support alertness and perceived exercise performance for many people when taken before training. If you are new to it, test your tolerance on a lower-stakes day rather than before a demanding session.
Does black coffee cause dehydration?
At amounts you are used to drinking, coffee’s fluid content contributes to daily hydration. People sensitive to caffeine may urinate more often, so drinking water alongside it is sensible, especially in hot weather.
What is the difference between black coffee and espresso?
The main difference is brewing method: espresso is concentrated in a small volume, while brewed black coffee contains more water. Caffeine varies with the beans, serving size, and brewing time, so strength of flavor alone is not a reliable guide.
How can I make strong black coffee taste less bitter?
Bitterness often increases with an overly fine grind, water that is too hot, or brewing for too long. A coarser grind, slightly shorter extraction, and water just below boiling can produce a smoother cup.
How should brewed black coffee be stored?
For best flavor, drink freshly brewed coffee soon after making it. Leftover coffee can be kept covered in the refrigerator for about a day, but its aroma fades and its flavor changes as it oxidizes.
Does adding milk completely remove coffee’s antioxidant benefits?
No. Milk does not eliminate coffee’s beneficial compounds. It may change the absorption or measured activity of some compounds, but the practical effect on health is uncertain.
Should people with high blood pressure be careful with strong black coffee?
Caffeine can cause a temporary rise in blood pressure in some people. Those with uncontrolled hypertension, palpitations, or heart rhythm problems should discuss their intake with a clinician and monitor their response.
Does black coffee make you need the toilet?
Coffee can stimulate bowel movements in some people, and this effect is not due to caffeine alone. It does not happen to everyone and may aggravate symptoms in people with diarrhea or irritable bowel syndrome.
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Nutrition data compiled from USDA FoodData Central and scientific sources.