How much protein is in Greek yoghurt?

The UK government's food composition data has no figure for strained Greek yoghurt made in Greece. Plain Greek-style has about as much protein as plain whole milk yoghurt, with more fat and calories.

Per 100g, it has 6g of protein.¹ Every protein, fat and calorie figure here comes from that data. If your pot says Greek yoghurt, check the protein per 100g on the label.

Is Greek yoghurt the same as Greek style?

No. In the UK, "Greek yoghurt" is made in Greece, where it's thickened by straining.³ Thick yoghurt made elsewhere is sold as Greek style, and is often thickened in other ways.³

How much protein is in a pot?

It depends on the size of the pot. A 150g serving of Greek-style has about 9g of protein.¹

Check the weight on your pot. For every 100g you eat, count just under 6g of protein.

The fat-free column is plain yoghurt, not Greek: the data has no fat-free Greek yoghurt.¹

Does Greek yoghurt have more protein?

Greek-style doesn't. Plain Greek-style and plain whole milk yoghurt both have 6g of protein per 100g. The Greek-style one has more than three times the fat, and about two thirds more calories.¹

Fat-free plain yoghurt has 5g of protein and 54 calories per 100g.¹ That's slightly less protein for well under half the calories of Greek-style.

For more protein per spoonful, quark has 15g per 100g and fat-free natural fromage frais has 8g.¹

Is Greek yoghurt a source of protein?

Yes, Greek-style is.^1,2 Protein contributes to a growth in muscle mass.² Eat Greek-style yoghurt as part of a varied, balanced diet and a healthy lifestyle.

Greek yoghurt protein FAQs

How much protein is in 100g of Greek yoghurt?

Plain Greek-style has 6g.¹ Strained Greek yoghurt isn't in the UK data, so check your label.

Is Greek yoghurt high in protein?

Plain Greek-style isn't. It's a source of protein, but it doesn't reach the 20% share of calories from protein that "high protein" needs. It has about 17%.^1,2

Does fruit Greek-style yoghurt have less protein?

A little. It has 5g of protein per 100g, against 6g for plain, and more than twice the sugar.¹

How much Greek yoghurt has 20g of protein?

About 350g of plain Greek-style, or about 370g of fat-free plain yoghurt.¹

The numan take

Choose Greek style because you like the taste and texture: it has no more protein than plain whole milk yoghurt. If protein is what you're after, compare labels or reach for quark.

For ideas, see how to add it to your porridge and our guide to making your meals healthier.

References

1. Public Health England. McCance and Widdowson's The Composition of Foods Integrated Dataset 2021. Public Health England, 19 March 2021. Food codes 12-555, 12-377, 12-184, 12-379, 12-533, 12-528, and 12-174. Yoghurt values from Campden and Chorleywood Food Research Association analysis, 1998, reviewed or updated 2013, except whole milk plain yoghurt (Milk Products and Eggs Supplement, 1989, reviewed 2013); fromage frais from the 1998 analysis; quark from the Milk Products and Eggs Supplement, 1989. "Fat-free" on this page is the dataset's "virtually fat free/diet" (0.2g and 0.1g fat per 100g). Protein share of energy is 4kcal per gram of protein divided by total energy: 22.8 of 133kcal for 12-555. https://www.gov.uk/government/publications/composition-of-foods-integrated-dataset-cofid (opened 9 Nov 2026)

2. Department of Health and Social Care. Great Britain nutrition and health claims (NHC) register, health claims, row "Protein contributes to a growth in muscle mass"; nutrition claims, rows "Source of protein" and "High protein". Spreadsheet of 19 May 2026. https://www.gov.uk/government/publications/great-britain-nutrition-and-health-claims-nhc-register (opened 9 Nov 2026)

3. Court of Appeal of England and Wales. FAGE UK Ltd and another v Chobani UK Ltd and another [2014] EWCA Civ 5, 28 January 2014, paragraphs 14 and 15. https://caselaw.nationalarchives.gov.uk/ewca/civ/2014/5 (opened 9 Nov 2026)