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Chia Seeds nutrition: calories, protein and healthy fats

Chia Seeds are a whole food and, as a NOVA group 1 food, deliver naturally occurring energy and nutrients with no added sugar, salt or additives. They are a source of manganese, phosphorus and magnesium. Work out the numbers for any portion and age below, then see the full macro and micronutrient breakdown.

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

Chia Seeds nutrition per 100g and per portion

Typical valuesPer 100gPer portion (15g)
Energy48673
Fat31g4.6g
of which saturates3.3g0.5g
Carbohydrate42g6.3g
of which total sugars0g0g
of which added sugars0g0g
of which starch0g0g
Fibre34g5.1g
Protein17g2.5g
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 Chia Seeds: natural, not added

About 15g contains about 0.0g 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; Chia Seeds contribute nothing to them.

Age groupDaily free sugar limitIn about 15g% of that
Adult30g0g
0%
Age 11 to 1730g0g
0%
Age 7 to 1024g0g
0%
Age 4 to 619g0g
0%

Fat in Chia Seeds: high, mostly unsaturated

Chia Seeds are naturally high in fat, at about 4.65g per portion, though most of it is unsaturated. Only around 0.49g is saturated and there is 0g of added fat.

Age groupMax saturated fatIn about 15g% of that
Adult24g0.49g
2%
Age 11 to 1727g0.49g
2%
Age 7 to 1022g0.49g
2%
Age 4 to 618g0.49g
3%

Fibre in Chia Seeds by age

Fibre supports healthy digestion, and most people in the UK do not get enough. A portion provides about 5.1g. Because children need less fibre than adults, that same portion covers a bigger share of a younger child's target.

Age groupRecommended fibreIn about 15g% of that
Adult30g5.1g
17%
Age 11 to 1725g5.1g
20%
Age 7 to 1020g5.1g
26%
Age 4 to 615g5.1g
34%

Carbohydrate in Chia Seeds by age

There is about 6.3g 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 15g% of that
Adult250g6.3g
3%
Age 11 to 17275g6.3g
2%
Age 7 to 10225g6.3g
3%
Age 4 to 6188g6.3g
3%

Vitamins and minerals in Chia Seeds

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 
Manganese2.7mg135%20%high in Manganese
Phosphorus860mg123%18%high in Phosphorus
Magnesium335mg89%13%high in Magnesium
Calcium631mg79%12%high in Calcium
Iron7.7mg55%8%high in Iron
Zinc4.6mg46%7%high in Zinc

Vitamins and minerals in Chia Seeds, 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.

Manganese in Chia Seeds by age

Manganese contributes to normal bone formation and helps protect cells from oxidative stress. About 15g contains 0.41mg. 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 15g% of daily need
Adult2mg0.41mg
20%
Age 11 to 171.9mg0.41mg
21%
Age 7 to 101.6mg0.41mg
25%
Age 4 to 61.5mg0.41mg
27%

Phosphorus in Chia Seeds by age

Phosphorus works with calcium to build strong bones and teeth. About 15g contains 129mg. 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 15g% of daily need
Adult550mg129mg
23%
Age 11 to 17775mg129mg
17%
Age 7 to 10550mg129mg
23%
Age 4 to 6450mg129mg
29%

Magnesium in Chia Seeds by age

Magnesium supports muscle and nerve function and helps release energy from food. About 15g contains 50mg. 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 15g% of daily need
Adult300mg50mg
17%
Age 11 to 17300mg50mg
17%
Age 7 to 10200mg50mg
25%
Age 4 to 6120mg50mg
42%

Calcium in Chia Seeds by age

Calcium is needed for strong bones and teeth. About 15g contains 95mg. 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 15g% of daily need
Adult700mg95mg
14%
Age 11 to 171000mg95mg
9%
Age 7 to 10550mg95mg
17%
Age 4 to 6450mg95mg
21%

Iron in Chia Seeds by age

Iron is needed to make red blood cells that carry oxygen around the body. About 15g contains 1.16mg. 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 15g% of daily need
Adult11mg1.16mg
10%
Age 11 to 1713mg1.16mg
9%
Age 7 to 108.7mg1.16mg
13%
Age 4 to 66.1mg1.16mg
19%

Zinc in Chia Seeds by age

Zinc supports the immune system, wound healing and normal growth. About 15g contains 0.69mg. 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 15g% of daily need
Adult9.5mg0.69mg
7%
Age 11 to 179mg0.69mg
8%
Age 7 to 107mg0.69mg
10%
Age 4 to 66.5mg0.69mg
11%

Are Chia Seeds processed?

No. Chia Seeds are a NOVA group 1 whole food, the least processed category, eaten in their natural state with nothing added, which is why whole foods behave very differently in the body from ultra-processed foods.

Chia Seeds nutrition FAQ

How many calories are in chia seeds?

About 15g has about 73 calories.

How much sugar is in chia seeds?

About 15g has about 0.0g of sugar, roughly 0.0 teaspoons, and none of it is added sugar.

Are chia seeds good for you?

Yes. Chia Seeds are a whole food providing fibre and a range of vitamins and minerals such as manganese and phosphorus.

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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.