Black tea
No glycemic index10/10
No glycemic index — no carbohydrates
0.3 g carbohydrates per 100 g
Logi score 10/10
- Zero calories
- Contains caffeine
Black tea has no glycemic index: it contains no carbohydrates.
Reviewed Jul 31, 2026 · Sources: USDA FoodData Central #173227 , Logi Nutrition Team · Not medical advice · Report an error
Forms of Black tea
Logi · Manage Insulin Resistance
Lower your blood sugar through smarter food choices
Black tea is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
Portions
| Portion | Grams |
|---|---|
| 1 fl oz | 30 g |
| 1 cup, (8 fl oz) | 237 g |
Nutrition Facts (per 100g)
1
Calories
0.3 g
Carbs
0 g
Protein
0 g
Fat
per 100g
| Calories | 1 kcal |
| Carbohydrates | 0.3 g |
| Sugars (Total) | 0 g |
| Natural | 0 g |
| Added | 0 g |
| Fiber | 0 g |
| Soluble | 0 g |
| Insoluble | 0 g |
| Protein | 0 g |
| Fat | 0 g |
| Saturated | 0 g |
| Unsaturated | 0 g |
| Sodium | 3 mg |
Processing Level
25%
Minimal
Why this score?
- Zero calories
- No added sugars
- Rich in antioxidants
- Contains caffeine
- Negligible protein or fiber
Low-GI recipes on Logi Food Coach
Frequently Asked Questions
What is the glycemic index of Black tea?
Black tea has no glycemic index because it contains no carbohydrates (0.3 g per 100 g).
Is Black tea good for people with insulin resistance?
Black tea contains no carbohydrates, so on its own it does not raise blood sugar.
Check Black tea in the Logi app, with your portion.
