Water Kefir

Common questions

Is Water Kefir healthy?

Water Kefir scores 75/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. Water kefir is a fermented beverage that contains beneficial probiotics from kefir grains and yeast, which support gut health.

How processed is Water Kefir?

Water Kefir is NOVA Group 3: Processed Foods.

Which ingredients drive Water Kefir's score?

In Scout's ingredient-by-ingredient analysis, Kefir grains, Herbs, Botanicals count in its favor; Sugar is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Water Kefir

Fermenteria Water Kefir
75 Good

Analysis updated June 2026 · How Scout scores

$13.44 · 12 fl oz · $1.12 / fluid ounce
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At a glance

Beneficial ingredients 3
Harmful ingredients 1
Category Kefir
Summary

Water kefir is a fermented beverage that contains beneficial probiotics from kefir grains and yeast, which support gut health. However, the presence of sugar, even though used for fermentation, can contribute to excess calorie intake if not fully fermented. The product is moderately processed, which limits its score despite the presence of beneficial ingredients.

Key ingredients 6

Kefir grains
Good

Kefir grains contain beneficial probiotics that support gut health and digestion, making them a valuable ingredient in fermented beverages.

Herbs
Good

Herbs add natural flavor and may contain antioxidants, contributing to the overall appeal and potential health benefits of the beverage.

Botanicals
Good

Botanicals provide natural flavoring and may offer antioxidants, enriching the beverage's nutritional profile.

Water
Neutral

Water is essential for hydration and acts as a base for the kefir, with no significant health benefits or risks.

See more about Water →
Yeast
Neutral

Baker's/nutritional yeast in standard use — benign.

See more about Yeast →
Sugar
Bad

Sugar provides fermentable carbohydrates for the fermentation process but can contribute to excess calorie intake if consumed in large amounts.

See more about Sugar →

Processing

Group 3 · Processed

Processed Foods

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