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Lettuce, iceberg

Lettuce, iceberg, per 100 g: 14 kcal, 0.9 g protein, 3 g carbohydrate, 1.2 g fibre, 0.1 g fat. Figures are the USDA reference values for “Lettuce, iceberg (includes crisphead types), raw”.

At 100 g it reaches the EU threshold to be called a source of vitamin k. The table below gives the full composition, and every claim listed underneath is quoted from the EU register rather than written by us.

High protein26% of the energy in this food is proteinFat-freeUnder 0.5 g fat per 100 gLow sugars2.0 g sugars per 100 gVery low sodium10 mg sodium per 100 gLow energy14 kcal per 100 g

Nutritional value per 100 g

NutrientPer 100 g% NRV
Energy and macronutrients
Energy14 kcal
Protein0.9 g
Fat0.14 g
of which saturates0.018 g
of which monounsaturates0.006 g
of which polyunsaturates0.074 g
Carbohydrate2.97 g
of which sugars1.97 g
Fibre1.2 g
Water95.6 g
Cholesterol0 mg
Minerals
Calcium18 mg2.25%
Iron0.41 mg2.93%
Magnesium7 mg1.87%
Phosphorus20 mg2.86%
Potassium141 mg7.05%
Sodium10 mg
Zinc0.15 mg1.5%
Copper0.025 mg2.5%
Manganese0.125 mg6.25%
Selenium0.1 µg0.182%
Vitamins
Vitamin A25 µg3.13%
Vitamin D0 µg
Vitamin E0.18 mg1.5%
Vitamin K24.1 µg32.1%
Vitamin C2.8 mg3.5%
Thiamine (B1)0.041 mg3.73%
Riboflavin (B2)0.025 mg1.79%
Niacin (B3)0.123 mg0.769%
Pantothenic acid (B5)0.091 mg1.52%
Vitamin B60.042 mg3%
Folate29 µg14.5%
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

This food reaches the legal threshold for the claims below. The wording is quoted exactly from the EU register of authorised health claims — we have not written or paraphrased any of it.

High in Vitamin K32.1% NRV per 100 g
  • Vitamin K contributes to normal blood clotting
  • Vitamin K contributes to the maintenance of normal bones
High protein25.7% of energy from protein
  • Protein contributes to a growth in muscle mass
  • Protein contributes to the maintenance of muscle mass
Where these numbers come from. Composition data: USDA FoodData Central, SR Legacy release, entry Lettuce, iceberg (includes crisphead types), raw (FDC ID 169248). 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.