Greek Yogurt vs Cottage Cheese
Both are dairy. Both deliver casein + whey protein. Both clock 11–20 g of protein per 100 g of food. But they're meaningfully different in sodium, lactose, texture, live cultures, and price. Which one fits your diet depends on which dimension matters most to you.
The five-row cheat sheet
| Dimension | Plain non-fat Greek yogurt | Plain low-fat cottage cheese |
|---|---|---|
| Protein per 100g | 16–20 g | 11–14 g |
| Sodium per 100g | 50–100 mg | 300–460 mg |
| Carbs (mostly lactose) per 100g | 4–5 g | 3–5 g |
| Calories per 100g | ~60–70 | ~70–80 |
| Live cultures (default) | Yes (5+ strains) | Usually no (rennet-set), unless labeled "cultured" |
Pick Greek yogurt if you care about…
- Low sodium. 4–8× lower than cottage cheese. Major difference for DASH dieters and anyone managing blood pressure.
- Gut health / probiotics. Live cultures by default. Multiple strains in most US brands.
- Cooking versatility. Greek yogurt subs for sour cream, buttermilk, mayonnaise. Cottage cheese has a narrower range.
- Texture preference. Smooth, dense, no curds.
Pick cottage cheese if you care about…
- Cost. Roughly 25% cheaper per gram of protein at retail.
- Slow-release casein at bedtime. Cottage cheese is more casein-heavy (it IS the milk curd) — longer overnight amino acid release.
- Lasagna / ricotta substitution. Cottage cheese bakes well; Greek yogurt curdles when heated.
- Carb sensitivity. Slightly lower lactose and easier to find very-low-carb versions.
Top Greek yogurts in our database
- Fage Total 0% Nonfat Greek Strained Yogurt — Labelgrade A- (85/100) · protein 32.4g
- Oikos Pro Vanilla Greek Yogurt — Labelgrade A- (85/100) · protein 48g
- Chobani Plain Non-Fat Greek Yogurt — Labelgrade B+ (84/100) · protein 28.8g
- Chobani Zero Sugar Vanilla Greek Yogurt — Labelgrade B+ (83/100) · protein 23.4g
- Two Good Lowfat Vanilla Greek Yogurt — Labelgrade B+ (80/100) · protein 23.4g
Top cottage cheeses in our database
- Good Culture Cottage Cheese Classic — Labelgrade B (75/100) · protein 28.5g · sodium 690mg
The honest answer: have both
Most regular protein eaters benefit from rotating both into the lineup. Greek yogurt for breakfast or smoothies (low sodium, probiotics, easy to flavor); cottage cheese for an afternoon protein snack or before-bed casein dose. They're nutritionally complementary and the texture variety helps with diet fatigue. The "best" choice depends entirely on which dimension matters most for the next meal you're planning.
Frequently Asked Questions
Which has more protein, Greek yogurt or cottage cheese?
They're comparable. Plain non-fat Greek yogurt has 16–20 g of protein per 100 g; low-fat cottage cheese has 11–14 g; whole-milk cottage cheese 9–12 g. Per typical single-serve container, Greek yogurt (5.3 oz / 150 g) delivers 17–22 g; cottage cheese (5.3 oz / 150 g) delivers 13–18 g. Greek yogurt edges cottage cheese on protein density per gram.
Why is the sodium so different?
Cottage cheese is salted during production — most brands run 300–460 mg sodium per 100 g (15–20% of daily limit per cup). Greek yogurt isn't salted — typical sodium is 50–100 mg per 100 g (3–4% of daily limit). For anyone watching sodium (DASH diet, blood pressure management, kidney concerns), Greek yogurt is the clearly better choice. Low-sodium cottage cheese varieties exist but are harder to find — Good Culture and Daisy offer some.
What about lactose?
Both have lactose, but in different amounts. Greek yogurt: 4–5 g of lactose per 100 g (the straining removes some lactose with the whey). Cottage cheese: 2–3 g of lactose per 100 g (the curd has even less lactose-bearing whey). Both are easier on lactose-intolerant people than regular milk. For severe intolerance, lactose-free cottage cheese (Good Culture) and lactose-free Greek yogurt (Fage Lactose-Free) exist.
Which is better for cutting / weight loss?
Both are excellent. Plain non-fat Greek yogurt: ~60–70 cal per 100 g, 18 g protein → 1 g of protein per ~3.5 cal. Plain 1% cottage cheese: ~70 cal per 100 g, 12 g protein → 1 g of protein per ~6 cal. Greek yogurt wins on protein-per-calorie when both are non-fat/low-fat. For satiety per dollar, plain cottage cheese is often slightly cheaper per gram of protein. Either choice is in the top tier of whole-food protein sources for cutting.
Which is better for muscle building?
Both. The protein in both is a mix of casein (slow-digesting) + whey (fast-digesting) — exactly the blend research suggests gives the most sustained muscle protein synthesis. Greek yogurt has a higher whey:casein ratio (the casein curds are partially removed during straining), cottage cheese has a higher casein:whey ratio (it IS the curd). Cottage cheese is the traditional bodybuilder "slow protein before bed" — that's reasonable but not magic.
Are the live cultures comparable?
Greek yogurt has more diverse cultures. FDA requires Lactobacillus bulgaricus + Streptococcus thermophilus for "yogurt." Most US Greek yogurts add 3–5 probiotic strains (acidophilus, Bifidus, casei, rhamnosus). Cottage cheese is not federally required to contain live cultures and most major US brands are NOT cultured (they're made by adding rennet to milk, not bacteria). Cultured cottage cheese (Good Culture, Lifeway) is the exception — explicitly labeled.
Does Greek yogurt taste different from cottage cheese?
Yes — significantly. Greek yogurt is smooth, dense, and tangy (from lactic acid produced by the cultures). Cottage cheese has a distinctive curd-and-cream texture and a milder, salty flavor. They're interchangeable in some recipes (Greek yogurt as sour cream replacement; cottage cheese in lasagna instead of ricotta) but not in others (cottage cheese on pancakes doesn't work; Greek yogurt as a baked-potato topping does).
Which is better for Keto?
Both work, with caveats. Per 100 g: plain non-fat Greek yogurt has 4–6 g of carbs (mostly lactose); plain low-fat cottage cheese has 3–5 g of carbs. Both fit within a Keto carb budget at single-serving doses. Full-fat varieties of either are even better for Keto macros. Avoid the flavored "fruit on the bottom" versions — those add 12–18 g of carbs per serving from fruit + sugar.
What's the cheaper protein source?
Cottage cheese typically. Retail pricing as of 2026: plain non-fat Greek yogurt averages $0.50–0.80 per 5.3 oz cup, or about $0.04 per gram of protein. Plain low-fat cottage cheese averages $0.30–0.50 per 5 oz cup, or about $0.03 per gram of protein. Bulk tubs (24 oz Greek yogurt; 16 oz cottage cheese) drop both prices by about 30%. Cottage cheese wins by ~25% on protein-per-dollar at retail.
Can I substitute one for the other in recipes?
Sometimes. They work as direct swaps for: smoothies (either blends in fine), savory dips (both with herbs + lemon), pancakes (cottage cheese blended in batter; Greek yogurt as topping). They DON'T swap well for: lasagna ricotta layer (cottage cheese works; Greek yogurt curdles when baked), tzatziki (Greek yogurt only — cottage cheese's texture is wrong). For most other uses, try both and decide by taste.