Kefir Grains — Nutrients, Health Benefits, And Shopping Tips

Written by Listonic Team
Last update on March 10, 2025
Nutrients
Nutrition facts
Amount per 100 g
Calories
🔥 58 kcal
Nutrients per: 100 g | Value | % Daily Value* |
---|---|---|
Carbs | 5 g | 1.82% |
Fiber | 0 g | - |
Sugars | 5 g | 10% |
Glycemic Index | 30 | - |
Protein | 3 g | 6% |
Sodium | 40 mg | 1.74% |
Total Fat | 3 | 3.85% |
*The % of Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
Key takeaways
Health benefits
- Rich in probiotics, which help balance gut bacteria and improve overall digestive health.
- Enhances immune function by promoting the growth of beneficial bacteria that support the immune system.
- May improve lactose digestion, making it easier for lactose-intolerant individuals to enjoy dairy products.
- Supports bone health due to its high calcium and vitamin K2 content, which are essential for maintaining strong bones.
Health risks
- Potential for allergic reactions in individuals sensitive to dairy or specific strains of bacteria present in kefir grains.
- Gastrointestinal discomfort such as bloating, gas, or diarrhea, particularly in those with lactose intolerance or sensitivity to fermented foods.
- Risk of contamination if kefir grains are not properly handled or stored, leading to foodborne illnesses.
- Interactions with medications as the probiotics in kefir may affect the absorption or effectiveness of certain medications.
How to choose kefir grains
When choosing kefir grains, look for those that are plump and gelatinous, as this indicates they are healthy and active. Fresh grains should have a creamy appearance and a slightly tangy aroma, suggesting they are ready to ferment.
Avoid grains that appear dry or shriveled, as these may be inactive or damaged. Additionally, steer clear of any grains that have an off-putting smell or unusual discoloration, as these can indicate spoilage or contamination, compromising the quality of your kefir.
How to store kefir grains
To properly store your kefir grains, keep them in a clean glass jar filled with fresh milk, ensuring they are fully submerged. Refrigeration is recommended for short-term storage, as it slows down the fermentation process and maintains the grains' viability. Ideally, the temperature should be kept between 32-39°F (0-4°C) to preserve their health and activity.
Avoid exposing kefir grains to extreme temperatures or direct sunlight, as this can harm their beneficial properties. It's crucial to change the milk every week to provide fresh nutrients and prevent spoilage. For longer storage, consider dehydrating the grains and keeping them in an airtight container in a cool, dark place.
✅ Extra Tip
How long does it last?
Kefir grains are remarkably resilient and can last indefinitely if cared for properly. When stored in a suitable environment, such as a jar of milk in the refrigerator, they can remain active and viable for months to years. Regular feeding with fresh milk is essential to keep the grains healthy; without this, they may become dormant but can often be revived. If you need to take a break from fermentation, kefir grains can be dehydrated and stored in a cool, dark place, where they can last for up to 2 years. Proper handling and maintenance are key to ensuring the longevity and vitality of these beneficial cultures.
What to do with leftovers?
Kefir grains are a fantastic ingredient to have on hand, and there are many ways to utilize them if you find yourself with leftovers. You can re-culture them by adding them to fresh milk or non-dairy alternatives to create a new batch of kefir. If you have excess grains, consider sharing them with friends or family who are interested in fermenting their own kefir. Additionally, you can incorporate kefir grains into smoothies for a probiotic boost or blend them into salad dressings for a tangy flavor. For a unique twist, try adding them to baked goods like muffins or pancakes, where they can enhance the moisture and nutrition of the final product. If you have a surplus, you can also dehydrate the grains for long-term storage, allowing you to revive them later when you're ready to make more kefir.
👨⚕️️ Medical disclaimer
Discover products from other categories
Listonic Team
Fact-checked
Our editorial team checked this article to make sure it was accurate at the time of publishing it.
Get the top-rated shopping list app

kefir grains