Carbs in Kefir
Keto-friendlyKefir (per 100 g) contains 4.8g total carbs, 4.8g net carbs, 1g fat, 3.8g protein, and 43 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian
4.8g
Net carbs
4.8g
Total carbs
0g
Fiber
3.8g
Protein
1g
Fat
43
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 4.8g | 4.8g | 3.8g | 43 |
| 1 oz (28 g) | 1.3g | 1.3g | 1.1g | 12 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 43 |
| Total carbs | 4.8g |
| Net carbs | 4.8g |
| Fiber | 0g |
| Sugar | 4.6g |
| Sugar alcohols | 0g |
| Protein | 3.8g |
| Fat | 1g |
| Sodium | 40mg |
| Potassium | 164mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in kefir?
- Kefir has 4.8g of total carbs and 4.8g of net carbs per 100 grams.
- How many net carbs are in kefir?
- Kefir has 4.8g of net carbs per 100 grams (total carbs 4.8g minus 0g fiber).
- Is kefir keto-friendly?
- Yes — with 4.8g net carbs per 100g, kefir fits a ketogenic diet in normal portions.
- How many calories are in kefir?
- Kefir has 43 calories per 100 grams.
