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Black tea, brewed, per 100 g: 1 kcal, 0 g protein, 0.3 g carbohydrate, 0 g fibre, 0 g fat. Figures are the USDA reference values for “Beverages, tea, black, brewed, prepared with tap water”.

At 100 g it does not reach the EU threshold for any nutrient claim. The full composition is below.

Fat-freeUnder 0.5 g fat per 100 gSugars-freeUnder 0.5 g sugars per 100 gSodium-freeUnder 5 mg sodium per 100 gLow energy1 kcal per 100 g

Nutritional value per 100 g

NutrientPer 100 g% NRV
Energy and macronutrients
Energy1 kcal
Protein0 g
Fat0 g
of which saturates0.002 g
of which monounsaturates0.001 g
of which polyunsaturates0.004 g
Carbohydrate0.3 g
of which sugars0 g
Fibre0 g
Water99.7 g
Cholesterol0 mg
Minerals
Calcium0 mg
Iron0.02 mg0.143%
Magnesium3 mg0.8%
Phosphorus1 mg0.143%
Potassium37 mg1.85%
Sodium3 mg
Zinc0.02 mg0.2%
Copper0.01 mg1%
Manganese0.219 mg11%
Selenium0 µg
Vitamins
Vitamin A0 µg
Vitamin D0 µg
Vitamin E0 mg
Vitamin K0 µg
Vitamin C0 mg
Thiamine (B1)0 mg
Riboflavin (B2)0.014 mg1%
Niacin (B3)0 mg
Pantothenic acid (B5)0.011 mg0.183%
Vitamin B60 mg
Folate5 µg2.5%
Vitamin B120 µg

% NRV is the nutrient reference value for an average adult, as set in Annex XIII of Regulation (EU) 1169/2011. A blank cell means no reference value is defined for that nutrient, not that it is unimportant.

What this food is a source of

Per 100 g this food does not reach the EU threshold for any nutrient claim. That is a statement about the threshold, not a verdict on the food — portion size, what it replaces in a meal and how often you eat it all matter more than a single cut-off.

Where these numbers come from. Composition data: USDA FoodData Central, SR Legacy release, entry Beverages, tea, black, brewed, prepared with tap water (FDC ID 173227). Values are per 100 g of the food as described, and real foods vary with variety, season, soil, storage and cooking. Claim thresholds: Regulation (EC) 1924/2006. Claim wording: Regulation (EU) 432/2012.
This is reference information, not personal advice. Nutrient content is one small part of a diet, and no single food prevents or treats disease. If you are pregnant, managing a medical condition, or taking medication — particularly anticoagulants, thyroid medication or immunosuppressants, where diet can interact — ask your doctor or pharmacist before making changes.