How to Make Probiotic-Rich Plant Milk Kefir at Home (No Dairy Needed!)

Meta Description: Discover how to make plant-based kefir at home with non-dairy milks. Learn about the fermentation process, benefits of kefir grains, and tips for using different plant milks.

Kefir is a tangy, probiotic-rich fermented drink traditionally made from dairy milk, but did you know you can make it just as easily with plant-based milks? Whether you're vegan, lactose-intolerant, or just looking to add gut-friendly foods to your diet, plant milk kefir is an easy and nutritious option.

What Is Kefir?
Kefir is a fermented drink made with "kefir grains"—a live symbiotic culture of bacteria and yeast (also known as a SCOBY). These grains consume the natural sugars in milk, producing lactic acid, beneficial bacteria, and trace amounts of alcohol and carbon dioxide. The result is a tangy, slightly fizzy beverage loaded with probiotics that support your digestive system.

Can You Use Plant-Based Milks?
Absolutely. While traditional kefir uses dairy milk, the grains themselves don't require dairy to ferment. They thrive on the natural sugars present in all types of milk—including almond, coconut, soy, oat, and more. However, plant milks typically have less sugar and fewer nutrients than dairy milk, which means a few tweaks may be necessary to keep your kefir grains healthy over time.

Getting Started: What You Need
Kefir grains (live or dehydrated)

Plant-based milk (homemade or store-bought; see below)

A clean glass jar

Cloth or paper towel to cover the jar

Strainer for removing the grains after fermentation

Best Plant Milks for Kefir
Homemade plant milks usually give the best results because they contain more natural sugars and fewer preservatives. Here are some good options:

Coconut milk (homemade): Rich and creamy, with moderate sugar content. Good for a smooth kefir.

Almond milk (homemade): Mild in flavor but may need a little added sweetener for active fermentation.

Soy milk (organic): Higher in protein, which can help the kefir grains thrive.

Oat milk: Naturally sweet and easy to ferment, though commercial brands often contain gums or oils.

Tip: Avoid commercial plant milks with preservatives or added oils, as these can inhibit fermentation.

How to Make Plant Milk Kefir (Step-by-Step)
Add the Grains
Place 1 to 2 tablespoons of kefir grains into a clean glass jar.

Pour in the Plant Milk
Add about 2 cups of your chosen plant milk. Stir gently to mix.

Cover and Ferment
Cover the jar with a breathable cloth or paper towel and secure it with a rubber band. Leave the jar at room temperature (ideally around 68–75°F) for 12 to 24 hours.

Check the Fermentation
The kefir is ready when it smells tangy and has slightly thickened. If left longer, it may separate—this is normal. Just stir it before straining.

Strain and Store
Strain the kefir into a clean container using a plastic or stainless steel strainer. Store in the fridge and enjoy within a week.

Repeat the Process
Rinse the kefir grains gently (if needed), then place them in fresh plant milk to start a new batch.

Feeding the Grains: Keeping Them Healthy
Because plant milks contain fewer nutrients, kefir grains may need a boost every few batches. Here are some tips:

Rotate with dairy milk (if you're not vegan): Every few batches, ferment the grains in dairy milk to replenish their strength.

Add a spoonful of sugar or date paste to the plant milk to provide more food for the microbes.

Use a “milk rotation” strategy—switching between different plant milks to provide a variety of nutrients.

Troubleshooting Tips
Grains not fermenting well? Try adding a pinch of sugar or use a different plant milk.

Getting a strange smell? It could be due to preservatives in store-bought milk. Try switching to homemade.

Grains turning mushy or shrinking? They may need a dairy refresh or nutrient-rich plant milk.

Final Thoughts

Making plant milk kefir at home is a simple, customizable way to support your gut health without dairy. With a little experimentation, you'll find the perfect milk and method that works for your lifestyle—and your kefir grains.