Calories in Greek Yogurt

Updated July 2026 · Reviewed by CaloriesCalc Team · Source: USDA FoodData Central

97
kcal
per 100g
9.0
g
Protein
5.0
g
Fat
3.98
g
Carbs
0.0
g
Fiber
237
kcal per cup (245g)
97
kcal per 100g
27
kcal per oz (28g)
Greek Yogurt nutrition facts and calories per 100g
🦠Live probiotics — Lactobacillus and Streptococcus
💪9g protein per 100g — 2× regular yogurt
🦴Calcium — 111mg per 100g
💊Vitamin B12 — 21% Daily Value
😌Low lactose — better tolerated
🧠Gut-brain axis — mood benefits

Calculate Calories for Any Greek Yogurt Weight

Weight100g

Nutrition Facts

Per 100g greek yogurt

* % Daily Value based on a 2,000 kcal diet.


Quick summary: Greek yogurt contains 97 calories per 100g with 9g protein — nearly 2× the protein of regular yogurt. A cup (245g) provides 22g protein. It contains live probiotic cultures (Lactobacillus and Streptococcus) proven to improve gut microbiome diversity. Rich in calcium (111mg/100g) and B12 (21% DV). Full-fat Greek yogurt has the best satiety profile.

Vitamins & Minerals — per 100g

NutrientAmount% Daily ValueBar
Calcium111mg11%
Vitamin B120.51µg21%
Phosphorus135mg11%
Riboflavin (B2)0.28mg22%
Potassium141mg3%
Vitamin B120.51µg21%
Zinc0.52mg5%
Magnesium11mg3%
Vitamin A46µg5%
Iodine~37µg25%

Calories in Greek Yogurt by Weight

WeightCaloriesProteinFatCarbs
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Macronutrient Breakdown — per 100g

Protein9.0g · 37% of calories
Fat5.0g · 46% of calories
Carbohydrates3.98g · 16% of calories

Greek yogurt is strained regular yogurt — removing whey concentrates protein and reduces carbs. Plain full-fat: ~97 kcal/100g. Plain non-fat: ~59 kcal/100g. Flavoured varieties can have 120-180 kcal/100g due to added sugar.

Micronutrient Highlights

🦠
Probiotics
Billions CFU
Live cultures
Lactobacillus bulgaricus + Streptococcus thermophilus
💪
Protein
9.0g
18% DV
Nearly 2× regular yogurt — casein and whey
🦴
Calcium
111mg
11% DV
Bone health and muscle function
💊
Vitamin B12
0.51µg
21% DV
Neurological function
Potassium
141mg
3% DV
Blood pressure regulation
🔬
Phosphorus
135mg
11% DV
Bone health and energy

Greek Yogurt Benefits

Probiotics — Clinical Evidence for Gut Health

Greek yogurt contains live cultures of Lactobacillus bulgaricus and Streptococcus thermophilus — bacteria that survive digestion and colonise the gut. A 2021 Stanford study (in Cell) found that high fermented food consumption, including yogurt, increased microbiome diversity and reduced 19 inflammatory proteins — effects stronger than a high-fibre diet. Regular yogurt consumption is associated with reduced risk of type 2 diabetes (14% lower), reduced antibiotic-associated diarrhoea, and improved symptoms of IBS.

Protein — Satiety and Muscle Support

At 9g of protein per 100g, Greek yogurt provides nearly twice the protein of regular yogurt. The protein is a blend of slow-digesting casein (which provides sustained satiety) and fast-digesting whey. A cup provides 22g of complete protein — comparable to many protein supplements. Research shows consuming high-protein yogurt as an afternoon snack reduces hunger and results in eating 100 fewer calories at dinner compared to low-protein snacks.

Calcium and Bone Health

Greek yogurt provides 111mg of calcium per 100g — 11% of the daily requirement — in a highly bioavailable form. The casein phosphopeptides in dairy protein enhance calcium absorption by maintaining it in a soluble form in the intestine. Regular dairy consumption throughout life is associated with higher peak bone mass and reduced osteoporosis risk. For people who cannot eat whole eggs or meat, Greek yogurt is one of the best calcium sources.

Gut-Brain Axis — Mood Benefits

Emerging research suggests that gut microbiome composition influences mood and mental health via the gut-brain axis. Probiotic bacteria produce neurotransmitters (GABA, serotonin) and regulate vagal nerve signalling to the brain. A 2019 meta-analysis of 34 RCTs found probiotic supplementation significantly reduced depression and anxiety scores. Regular yogurt consumption as a natural probiotic source may contribute to mood regulation and stress resilience.

Is Greek Yogurt Suitable for Your Diet?

Weight loss
Excellent — high protein, probiotics
⚠️
Keto
Non-fat plain: ~4g carbs/100g — limit
Paleo
Debated — some exclude dairy
Gluten-free
Yes
Diabetic
Yes — low sugar plain variety
Gut health
Excellent probiotic food
Vegan
No
Vegetarian
Yes

Frequently Asked Questions

How many calories in Greek yogurt?
Plain full-fat Greek yogurt: 97 calories per 100g. A cup (245g): 237 kcal and 22g protein. Non-fat: ~59 kcal/100g.
Is Greek yogurt good for weight loss?
Yes — high protein (9g/100g) increases satiety. Research shows regular yogurt consumption is associated with lower body weight and reduced weight gain over time. The probiotics may also influence weight regulation.
Is Greek yogurt healthy?
Very — live probiotics, high protein (2× regular yogurt), calcium, B12, and lower lactose than milk. Avoid flavoured varieties which can have 15-25g of added sugar per serving.
What is the difference between Greek yogurt and regular yogurt?
Greek yogurt is strained to remove whey — concentrating protein (~9g vs ~5g/100g) and reducing carbs and lactose. Regular yogurt is more liquid with a milder flavour.
Is Greek yogurt good for gut health?
Yes — live bacterial cultures (Lactobacillus bulgaricus, Streptococcus thermophilus) survive digestion and colonise the gut. Regular yogurt consumption increases microbiome diversity and is associated with reduced gut inflammation.
Can lactose-intolerant people eat Greek yogurt?
Often yes — straining removes much of the lactose. Greek yogurt has ~3-4g lactose per cup vs ~12g in milk. Many lactose-intolerant people tolerate Greek yogurt without symptoms.

Nutrition values from USDA FoodData Central. Not medical advice.