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Greek Yogurt FAQ: 30 Questions People Actually Ask, Answered Briefly

Writer: Vangelis Pallis
Vangelis Pallis
2 days ago
5 min read

Updated: 23 hours ago

Short answers, with the detailed guide linked where there is one. Figures are typical values; brands vary.


Basics

What is Greek yogurt?

Yogurt that has had part of its whey drained off after fermentation, making it thicker, higher in protein and lower in lactose. In Greece it is called straggisto (strained) and must contain at least 5.6% protein by law. Full guide.


Is Greek yogurt the same as strained yogurt?

Yes. "Greek" describes the straining method; "strained" is the technical word. Outside Greece, some "Greek" products are thickened rather than strained. How to tell.


What is Greek yogurt made of?

Milk (cow's, sheep's or goat's), sometimes cream to set the fat level, and two live cultures: Streptococcus thermophilus and Lactobacillus bulgaricus. Nothing else in authentic product. How it is made.


Why is Greek yogurt so thick?

Because about two-thirds of the milk's water leaves as whey during straining, concentrating the protein gel.


Why is it more expensive?

It takes roughly three kilograms of milk to make one kilogram of strained yogurt.


Nutrition

How much protein is in Greek yogurt?

About 9–10 g per 100 g for plain cow's milk strained yogurt; 15–18 g in a 170 g cup. Regular yogurt has 4–5 g per 100 g. Nutrition facts.


How many calories?

About 60 kcal per 100 g at 0% fat, 73 at 2%, 95 at 5% and around 130 at 10%.


Is Greek yogurt high in sugar?

Plain, no: 3–5 g per 100 g, all lactose. Flavoured cups can have 12–20 g of added sugar per serving.


Is Greek yogurt good for you?

It is a dense source of protein, calcium and B12, and regular yogurt eating is associated in large studies with lower risk of type 2 diabetes and hip fracture. The evidence is observational and applies to yogurt generally. Evidence review.


Does Greek yogurt have probiotics?

It has live cultures by definition. Their proven benefit is helping digest lactose; wider "probiotic" effects depend on added strains. Probiotics guide.


Is Greek yogurt lactose-free?

No, but it is low: about 2.6 g per 100 g, roughly half that of milk, and the live cultures help digest it. Lactose-free versions exist. Lactose guide.


Is Greek yogurt good for weight loss?

It is filling per calorie, especially 0% plain, and short trials show high-protein yogurt snacks reduce afternoon hunger. It is not a weight-loss food in itself. Protein and fitness.


Which is healthier, Greek or regular yogurt?

Greek has twice the protein and less lactose; regular has more calcium per calorie. Both are healthy when plain. Comparison.


Greek yogurt vs skyr?

Skyr is Icelandic-style strained product, usually 0% fat, slightly higher in protein and milder. Nutritionally very similar. Skyr, labneh and quark.


Buying

How do I know if Greek yogurt is real?

Ingredient list of milk (and cream) and cultures only; protein of 9 g or more per 100 g; "product of Greece" if you want the legally defined article. Label guide.


What does "Greek-style" mean?

That it was not made in Greece and usually that it was thickened rather than strained.


Which brands are made in Greece?

FAGE, Olympus (Hellenic Dairies), Kri Kri, Mevgal, Dodoni, Delta, Koukakis, Kolios and most supermarket "authentic Greek" private label. Producers; directory.


Is Chobani Greek yogurt?

It is strained yogurt made in the United States. In the US it is sold as Greek yogurt; in the UK a court ruled in 2014 that it could not be. Brands worldwide; the name dispute.


Is FAGE made in Greece?

FAGE Total sold in Europe is made in Greece; Total sold in North America is made in Johnstown, New York, to the same recipe.


Which fat level should I buy?

0% or 2% for protein and everyday use, 5% for eating with honey and for dips, 10% for dessert. Buying guide.


Kitchen

Can you freeze Greek yogurt?

Yes, but the texture becomes grainy on thawing; it is fine for smoothies and baking. Frozen into bark or "nice cream" it is a dessert. Keep frozen yogurt no more than 2 months.


How long does it last?

Unopened and refrigerated at 4 °C or below, to the date on the tub, typically 3–4 weeks from production. Opened, 5–7 days. Discard if mouldy, pink or smells off; a little liquid on top is normal whey.


Can you cook with Greek yogurt?

Yes. Add it off the heat or temper it to stop it curdling; it replaces sour cream one-for-one and works in marinades and baking. Cooking guide.


Can I make Greek yogurt at home?

Yes: heat milk to 85 °C, cool to 45 °C, add live yogurt, incubate 6–10 hours, strain through cloth 4–6 hours. Method.


What do I do with the whey?

Use it in bread, pancakes, marinades and smoothies, or for plants diluted. At industrial scale it is a serious disposal problem. Acid whey.


What is the traditional way to eat it?

Cold, with honey and walnuts. Honey and walnuts, and ten other ways.


People and pets

Can babies eat Greek yogurt?

Plain full-fat yogurt is generally introduced from around 6 months in many countries' weaning guidance; no honey before 12 months; ask your paediatrician, especially with a family history of allergy.


Can dogs eat Greek yogurt?

Small amounts of plain, unsweetened Greek yogurt are generally tolerated by most dogs, but many dogs are lactose-sensitive and anything containing xylitol is toxic to them. Check with a vet.


Is Greek yogurt safe in pregnancy?

Pasteurised yogurt, which is all commercial yogurt, is considered safe in pregnancy; avoid unpasteurised products. Follow your midwife's or doctor's advice.


Can people with diabetes eat Greek yogurt?

Plain Greek yogurt is low in carbohydrate and observationally linked to lower diabetes risk; flavoured versions can be high in sugar. Individual advice should come from a clinician or dietitian.


Industry

Is "Greek yogurt" a protected name?

Not in the EU, despite announced plans since 2017. In the UK a 2014 ruling restricts it to Greek-made product; in the US it is unregulated. Legal map.


How big is the Greek yogurt market?

Global estimates range from US$19 billion to US$38 billion depending on definition; Greece exported €559 million of yogurt in 2025. Market figures.


Disclaimer. These answers are general information, not medical, veterinary or dietary advice. Nutrition values are typical and vary by brand; read the label. For infants, pregnancy, medical conditions, allergies, intolerances or pets, ask the appropriate professional.

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