| Measure | Greek yogurt (nonfat) | Kefir |
|---|---|---|
| Typical serving | 1 container (170 g) | 1 cup (244 g) |
| Protein per serving | 17.3 g | 8.8 g |
| Protein per 100 g | 10.2 g | 3.59 g |
| Calories per serving | 100 kcal | 127 kcal |
| Protein density | 69% of calories | 28% of calories |
| Share of 50 g Daily Value | 35% | 18% |
| Protein quality | Complete | Complete |
| Category | Dairy | Dairy |
Compare foods · Greek yogurt (nonfat) · Kefir
Protein comparison
Greek yogurt (nonfat) vs Kefir: which has more protein?
Greek yogurt (nonfat) gives you 17.3 g of protein per 1 container; kefir gives you 8.8 g per 1 cup. On equal weight it is 10.2 g against 3.59 g per 100 g. The full side-by-side, from the same USDA-sourced records as the rest of the site:
The verdict
Greek yogurt (nonfat) has more protein on equal weight: 10.2 g per 100 g against kefir's 3.59 g, a lead of 6.6 g. Per typical serving, greek yogurt (nonfat) delivers 17.3 g (1 container) to kefir's 8.8 g (1 cup), a difference of 8.5 g.
For the full breakdown of each food, see the protein in greek yogurt (nonfat) and protein in kefir pages, each with its USDA FoodData Central record id.
Quick answers
Greek yogurt (nonfat) vs Kefir FAQ
Which has more protein, greek yogurt (nonfat) or kefir?
Greek yogurt (nonfat) has more protein per 100 g: 10.2 g against 3.59 g. Per typical serving, greek yogurt (nonfat) provides 17.3 g (1 container) and kefir provides 8.8 g (1 cup).
Is greek yogurt (nonfat) or kefir more protein-dense?
Greek yogurt (nonfat) is the more protein-dense of the two: about 69% of its calories come from protein, against 28% for kefir.
Are greek yogurt (nonfat) and kefir complete proteins?
Yes, both. Greek yogurt (nonfat) and kefir each supply all nine essential amino acids in adequate amounts, so either can carry a meal's protein on its own.
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