5.6 %
Potassium is below the 15 % “source of” level in instant coffee, so no function line applies.
How many calories are in instant coffee?
20kcal
in a 250 g glass
8 kcal per 100 g.
Source: UK CoFID 2021, record 17-160. Checked 5 October 2026.
1 gFat
1.3 gProtein
0 gFibre
5.6 %Daily potassium
What’s in a 250 g glass
More than half of a glass is water, which is why the calories stay low. What is left is mostly carbohydrate.
- 1 gFat
- 1.3 gProtein
- 1.5 gCarbohydrate
- 245 gWater
- 1.5 gMinerals and the rest
Below average for drinks
Instant coffee is 8 kcal per 100 g. The 61 drinks in this database average 69.2.
Instant coffee8
Drinks average69.2
Low in sugar, almost no salt
Low sugars and very low salt by UK labelling rules, per 100 g.
Sugars, per glass1.3 g
Salt, per glass0.05 g
Vitamins and minerals in instant coffee
None of the 15 reaches the “source of” level. Potassium comes closest at 2.3 % per 100 g.
Only a trace
- Vitamin D
- Thiamin
- Vitamin B6
- Vitamin B12
- Iron
- Copper
- Manganese
- Selenium
None recorded
- Vitamin C
Show all 15 with amounts
Potassium113 mg, 5.6 %
Biotin0.0025 mg, 5 %
Niacin (vitamin B3)0.75 mg, 4.7 %
Phosphorus32.5 mg, 4.6 %
Calcium35 mg, 4.4 %
Riboflavin (vitamin B2)0.05 mg, 3.6 %
Chloride27.5 mg, 3.4 %
Iodine0.005 mg, 3.3 %
Magnesium10 mg, 2.7 %
Zinc0.25 mg, 2.5 %
Vitamin A0.015 mg, 1.9 %
Pantothenic acid (vitamin B5)0.1 mg, 1.7 %
Folate0.0025 mg, 1.3 %
Vitamin E0.03 mg, <1 %
Vitamin Cnone recorded
Badges use the UK legal thresholds per 100 g: 7.5 % of the reference intake for “source of”, 15 % for “high in”. A trace is shown as “trace” and never counts.
What instant coffee doesn’t give you. And where to find it.
No recorded vitamin D, vitamin C or selenium.
Vitamin D
Tracein instant coffee
Find it inBloater, grilled500 % per 100 g
Vitamin C
0mgin instant coffee
Find it inCherries, West Indian2150 % per 100 g
Selenium
Tracein instant coffee
Find it inKidney, pig, fried491 % per 100 g
100 mgVitamin C, 125 %
0.075 mgSelenium, 136 %
0.00125 mgVitamin D, 25 %
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Made in Cambridgeshire
Made in the UK since 1998, with every nutrient and its declared amount listed on the label.
Instant coffee against other drinks
Per 100 g, tomato juice has the most potassium in this comparison, followed by lemon juice (fresh).
230mg
130mg
129mg
110mg
110mg
45mg
Tomato juice+185 mg
Lemon juice, fresh+85 mg
Lime juice, fresh+65 mg
Coffee, instant, made up with water and whole milkthis page
All values per 100 g, from the same dataset. Differences are against instant coffee.
Since that first introduction in 1998, Immufix has remained a constant in my life.
Paula Radcliffe, ambassador and co-owner. Read her story
Taken every morning since 1998.
Paula Radcliffe has taken the same formula since she was 24. Customers rate Immufix 4.8 out of 5 from 89 reviews.
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Questions about instant coffee
What the numbers say to the questions people actually search.
How many calories are in a portion of instant coffee?
A typical portion (250 ml, a glass) gives 20 kcal. Per 100 g the figure is 8 kcal.
Which vitamins and minerals does instant coffee have most of?
By share of the daily reference intake: potassium (45 mg, 2.3 %), biotin (0.001 mg, 2 %) and niacin (0.3 mg, 1.9 %) per 100 g.
Is instant coffee a good source of protein?
Coffee, instant, made up with water and whole milk has 0.5 g protein per 100 g, 25 % of the energy, which meets the UK threshold for “high protein”.
Is instant coffee high in salt?
No. Salt is 0.02 g per 100 g, which is very low under UK rules.
How these numbers were made
Every figure comes from the UK Composition of Foods Integrated Dataset (CoFID), 2021 edition, record 17-160, Coffee, instant, made up with water and whole milk, published by Public Health England under the Open Government Licence v3.0. Main data references: Miscellaneous Foods Supplement, 1994. Values are per 100 g of the edible part; a glass is 250 g, a glass, the usual UK portion for drinks. Reference intakes follow Regulation (EU) 1169/2011 Annex XIII as retained in GB law; “source of”, “high in” and “low” follow Regulation (EC) 1924/2006, assessed per 100 g (per 100 ml thresholds for drinks). Function lines are the authorised wording from the GB register of nutrition and health claims, credited to the nutrient. Energy is rounded to the whole kcal and kJ; other amounts to one decimal, or two below 1. A trace is shown as “trace” and never gets a figure or a badge; a nutrient never analysed is left off the page. We start from the dataset’s 2,887 records and keep 2,322: records weighed with bone, shell or skin, alcoholic drinks, infant foods, brand-named products, records with fewer than eight measured vitamins and minerals and near-identical variants are left out. Group context uses the 61 drinks kept from the dataset; a rank counts only the foods with a measured figure for that nutrient. Food images are illustrations from Ingredient Atlas, released under CC0; they show the food, not the measured sample, and where no illustration of the exact food exists the nearest one is shown (here: Coffee Beans). Checked 5 October 2026. Contains public sector information licensed under the Open Government Licence v3.0.
More drinks
From the same group, with calories per 100 g.
