Is Kefir (plain) good for you?
Kefir (plain) is a dairy food. It has about 4 g net carbs and 3.3 g protein per 100 g. Here's how Susta judges it — and why the answer changes with your goal.
Kefir (plain): verdict by goal
The details
Blood sugar: Fermented, so some lactose is consumed by the cultures — gut benefit with modest carbs. Plain only; drinkable kefirs are often sweetened.
How to choose: Plain, unsweetened, live cultures.
How to use it: Drink plain or blend with berries.
How to store: Fridge.
Sensible portion: ½–1 cup, few×/week
See how Kefir (plain) fits your goal
Susta judges every food for your specific health goal — free, on-device, with the cited evidence behind it.
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Susta gives general wellness information graded by evidence — not medical advice, diagnosis, or treatment, and never medication advice. Verdicts are tuned to a chosen goal and may differ for you. Talk to your clinician about your health.