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Asparagus nutrition: calories, vitamins and minerals

Asparagus is a fresh, whole vegetable and, as a NOVA group 1 food, delivers naturally occurring energy and nutrients with no added sugar, salt or additives. It is a source of vitamin k, folate and iron. One portion counts as one of your five a day. Work out the numbers for any portion and age below, then see the full macro and micronutrient breakdown.

Asparagus nutrition calculator
Calories, sugar and key nutrients by portion, adjusted for age and gender.
Key nutrients in this portion

Asparagus nutrition per 100g and per portion

Typical valuesPer 100gPer portion (80g)
Energy2016
Fat0.1g0.08g
of which saturates0.05g0.04g
Carbohydrate3.9g3.12g
of which total sugars1.9g1.52g
of which added sugars0g0g
of which starch0g0g
Fibre2.1g1.68g
Protein2.2g1.76g
Salt0g0g

Sugar, fat, fibre and carbohydrate, by age

The tables below put each macronutrient against age-appropriate guidance, because what matters for a 4 year old is very different from an adult.

Sugar in Asparagus: natural, not added

About 5 spears (80g) contains about 1.5g of sugar, and it is all natural (intrinsic) sugar that comes packaged with fibre and water. It has 0g of added or free sugar, so it does not count toward the daily free sugar limit the NHS sets. The table shows those limits by age; Asparagus contributes nothing to them.

Age groupDaily free sugar limitIn about 5 spears (80g)% of that
Adult30g0g
0%
Age 11 to 1730g0g
0%
Age 7 to 1024g0g
0%
Age 4 to 619g0g
0%

Fat in Asparagus: naturally very low

Asparagus is naturally very low in fat, with about 0.08g per portion and 0g of added fat. Only around 0.04g is saturated, well within the daily maximum for every age group.

Age groupMax saturated fatIn about 5 spears (80g)% of that
Adult24g0.04g
0%
Age 11 to 1727g0.04g
0%
Age 7 to 1022g0.04g
0%
Age 4 to 618g0.04g
0%

Fibre in Asparagus by age

Fibre supports healthy digestion, and most people in the UK do not get enough. A portion provides about 1.68g. Because children need less fibre than adults, that same portion covers a bigger share of a younger child's target.

Age groupRecommended fibreIn about 5 spears (80g)% of that
Adult30g1.68g
6%
Age 11 to 1725g1.68g
7%
Age 7 to 1020g1.68g
8%
Age 4 to 615g1.68g
11%

Carbohydrate in Asparagus by age

There is about 3.1g of carbohydrate per portion. There is no single daily target, but roughly half of daily energy should come from carbohydrate; the reference values below are based on that.

Age groupReference carbohydrateIn about 5 spears (80g)% of that
Adult250g3.1g
1%
Age 11 to 17275g3.1g
1%
Age 7 to 10225g3.1g
1%
Age 4 to 6188g3.1g
2%

Vitamins and minerals in Asparagus

Percentages are share of the daily Nutrient Reference Value (NRV). Under UK and EU rules a food is a source of a nutrient at 15% NRV per 100g and high in it at 30%.

NutrientPer 100g%NRV /100g%NRV /portion 
Vitamin K42ug55%44%high in Vitamin K
Folate52ug26%21%a source of Folate
Iron2.1mg15%12%a source of Iron
Vitamin E1.1mg9%7%-
Vitamin C5.6mg7%6%-
Vitamin A38ug5%4%-

Vitamins and minerals in Asparagus, by age

These tables show how the nutrients compare to daily needs across different ages, using UK Reference Nutrient Intakes (RNIs). This differs from the source of and high in labels above, which use the single adult figure (NRV) set for food packaging. Children's needs are lower, so a portion goes further.

Vitamin K in Asparagus by age

Vitamin K is needed for normal blood clotting and healthy bones. About 5 spears (80g) contains 33ug. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target. These figures use safe intake levels, as no formal UK RNI is set.

Age groupDaily need (RNI)In about 5 spears (80g)% of daily need
Adult75ug33ug
44%
Age 11 to 1765ug33ug
51%
Age 7 to 1030ug33ug
111%
Age 4 to 620ug33ug
166%

Folate in Asparagus by age

Folate is needed to make healthy red blood cells and is especially important before and during pregnancy. About 5 spears (80g) contains 42ug. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In about 5 spears (80g)% of daily need
Adult200ug42ug
21%
Age 11 to 17200ug42ug
21%
Age 7 to 10150ug42ug
28%
Age 4 to 6100ug42ug
42%

Iron in Asparagus by age

Iron is needed to make red blood cells that carry oxygen around the body. About 5 spears (80g) contains 1.68mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target. Girls aged 11 and over and women need more iron (14.8mg) because of menstrual losses.

Age groupDaily need (RNI)In about 5 spears (80g)% of daily need
Adult11mg1.68mg
15%
Age 11 to 1713mg1.68mg
13%
Age 7 to 108.7mg1.68mg
19%
Age 4 to 66.1mg1.68mg
28%

Vitamin E in Asparagus by age

Vitamin E is an antioxidant that helps protect cells from damage. About 5 spears (80g) contains 0.88mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target. These figures use safe intake levels, as no formal UK RNI is set.

Age groupDaily need (RNI)In about 5 spears (80g)% of daily need
Adult12mg0.88mg
7%
Age 11 to 1711mg0.88mg
8%
Age 7 to 107mg0.88mg
13%
Age 4 to 66mg0.88mg
15%

Vitamin C in Asparagus by age

Vitamin C supports the immune system and helps the body absorb iron from food. About 5 spears (80g) contains 4.48mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In about 5 spears (80g)% of daily need
Adult40mg4.48mg
11%
Age 11 to 1740mg4.48mg
11%
Age 7 to 1030mg4.48mg
15%
Age 4 to 630mg4.48mg
15%

Vitamin A in Asparagus by age

Vitamin A supports vision, healthy skin and the immune system. About 5 spears (80g) contains 30ug. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In about 5 spears (80g)% of daily need
Adult700ug30ug
4%
Age 11 to 17700ug30ug
4%
Age 7 to 10500ug30ug
6%
Age 4 to 6400ug30ug
8%

Is Asparagus processed?

No. Asparagus is a NOVA group 1 whole food, the least processed category, eaten in its natural state with nothing added. The sugars are intrinsic, packaged with fibre and water, which is why whole vegetables behave very differently in the body from foods made with free sugars.

Asparagus nutrition FAQ

How many calories are in asparagus?

About 5 spears (80g) has about 16 calories.

How much sugar is in asparagus?

About 5 spears (80g) has about 1.5g of sugar, roughly 0.4 teaspoons, and none of it is added sugar.

Is asparagus good for you?

Yes. Asparagus is a whole food providing fibre and a range of vitamins and minerals such as vitamin k and folate. One portion counts as one of your five a day.

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Nutrition data from McCance and Widdowson and UK FoodData Central, per 100g raw edible portion; values are reference figures and can vary by variety and ripeness. Reference intakes: EU NRVs for labelling and UK RNIs (SACN) for age-based needs. For guidance only.