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Rated 4.8 out of 5 stars.4.8/5 · 379 reviews

Bulgarian Yogurt Starter Culture

Thick, mildly tangy yogurt. Made fresh at home, batch after batch.

$14.99

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Free Replacements

If anything goes wrong with your culture, we'll send you a free replacement, though we don't think you'll need one. See our culture guarantee.

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Enjoy free standard shipping on eligible U.S. orders over $49.99. See shipping details.

60-Day No-Hassle Returns

Not what you expected? We offer 60-day, no-hassle returns. See our returns policy.

“A great yogurt for anyone. Not too tart or too runny. I had made this yogurt for about 6 years from the original starter, but I accidentally got it to hot and killed it. I recently bought new and it is happily making batches of great tasting yogurt. Customer service is very helpful talking you through the activation process.”Deb · Bulgarian yogurt customer

Thousands of First Batches. Yours Is Next.

Real kitchens. Real homemade yogurt. A look inside our Cultures for Health yogurt community. Join in with a reusable culture, a simple routine and expert help whenever you need it.

Bowl of thick yogurt on a blue plate with a wooden spoon
Homemade yogurt in a glass topped with fresh raspberries and blueberries on a wooden table
Thick homemade Greek yogurt straining in fine cheesecloth over a bowl
Two containers of freshly made, thick Greek yogurt on the kitchen counter
Milk being poured from a saucepan while making yogurt
Glass hermetic jar filled with thick strained Greek yogurt
Jar of yogurt layered with banana and chia seeds
Spoonful of smooth, velvety homemade Greek yogurt in a jar
Jar of freshly set Greek yogurt next to a home yogurt maker
Homemade yogurt culturing in a glass bowl setup on the counter

EVERY CULTURE WE MAKE IS FOOD-SAFETY TESTED.

Because it's going on
your family's table.

Cultures for Health lab-tested quality comparison with Brand One and Brand Two

A MOM'S REASON. OUR STANDARD SINCE 2002.

It started with a simple question:
What am I feeding my children?

Cultures for Health was founded in 2002 by a single mom who wanted to feed her children the best food she could.

That care still shapes what we make. Food-safety testing is a meaningful investment, and one we keep making for the families who bring our cultures home.

Start something good in your kitchen →
An adult guiding a child as they pour milk from a saucepan into a glass jar in a home kitchen

From packet to proud-of-it.

Three steps.
Thick, mildly tangy yogurt at home.

One box makes one quart. Warm the milk, add the starter and hold it at 110°F, then chill. Save 2 tablespoons to culture your next batch, up to one gallon at a time once you're getting consistent results.

01

Heat & Cool the Milk.

Warm 1 quart of pasteurized whole milk to 160°F, then cool it to 110°F. Use a thermometer; avoid ultra-pasteurized or UHT milk.

02

Add Starter & Hold 110°F.

Pour the cooled milk into a glass or plastic container. Mix in one packet of starter thoroughly. Cover and incubate at 110°F for 5 to 12 hours.

03

Cool, Chill & Save 2 Tbsp.

Once set, let it cool for 2 hours, then refrigerate at least 6 hours. Save at least 2 tablespoons to start your next batch.

60DAY RETURNS

A little reassurance goes a long way.

60-day guarantee.
Support for as long as you culture.

Get started with 60-day, no-hassle returns. And whenever you have a yogurt question, our on-staff fermenters are here to help. Next week, next month, or next year.

See our guarantee →

Bulgarian Yogurt Starter Culture$14.99

Customer Reviews
4.8 Based on 379 Reviews
5 ★
89% 
339
4 ★
8% 
30
3 ★
2% 
6
2 ★
0% 
0
1 ★
1% 
4
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Filter Reviews:
    B
    10/28/2024
    BarbaraJo SVG verified by SHOP
    United States United States

    Love it

    KC
    08/08/2024
    Kathy C.
    United States United States
    I recommend this product

    Love it!

    JMJ We've been using a Cultures For Health Bulgarian yogurt culture for 10 years or so & it's still going strong. We've given away a LOT of this culture over the years, dried, in freezer paper pouches sealed with an iron on the edges. My Prince was remembering having yogurt that was more tart at one point & wanted to see if new culture would help. It did--but only because I followed the directions that came with it instead of doing the method I adopted quite some time ago (for ease of use)! The old culture & new culture both yielded a more tart yogurt when incubated at a lower temperature.

    08/09/2024

    Cultures For Health

    Thanks for your feedback, Kathy! It's great to hear that your Cultures For Health Bulgarian yogurt culture has been serving you well for so many years! It’s wonderful that the new culture helped you achieve that tartness you were looking for. Sometimes, sticking to the original instructions can make all the difference in getting the results you want. Thanks for sharing your experience, and happy culturing!

    M
    05/14/2024
    Mary SVG verified by SHOP
    United States United States

    Great company! Great products!!!

    D
    05/03/2024
    Deborah SVG verified by SHOP
    United States United States

    Making yogurt is healthy, easy and cost effective. I have been ordering the culture from Cultures For Health for years. Always wonderful.

    JP
    09/09/2023
    Jessica P.
    United States United States
    I recommend this product

    Love the tartness

    Our first batch didn't set, as expected. The second batch set well enough. But our third batch was so delicious. My husband said the best yogurt yet. We love that it's heirloom and we can make batch after batch. The Bulgarian yogurt is tart so expect that it'll be tarter than a starter from a store bought yogurt but we love the tartness.

    Before you start.

    Good questions.
    Plain-English answers.

    How much yogurt does one box make?

    One box contains one packet, which cultures 1 quart of milk for your activation batch. Once activated, save at least 2 tablespoons of yogurt to start the next batch, and scale up to 1 gallon per batch once you are getting consistent results.

    Do I need a yogurt maker?

    You need a way to hold 105–112°F for 5 to 12 hours. A yogurt maker is easiest; an oven with a light, a cooler with warm water, or another appliance that holds that range also works. Use a thermometer.

    What milk works best?

    Pasteurized whole milk. Avoid ultra-pasteurized or UHT milk, which can keep the yogurt from setting. This is a dairy culture, not a vegan starter.

    What is the full process?

    Heat 1 quart of milk to 160°F, cool to 110°F, mix in the packet, hold at 110°F for 5 to 12 hours, cool 2 hours, then refrigerate at least 6 hours. Save at least 2 tablespoons for the next batch.

    My activation batch didn't set. What now?

    The included guide addresses this directly: even if the activation batch doesn't set, use it to reculture the next batch, and expect a noticeable improvement. If it still isn't setting, contact our fermenter support team.

    How do I make a bigger batch?

    Once you get consistently good results, use 2 tablespoons of yogurt per quart of milk, up to 1 gallon per batch. Scale up gradually rather than in one jump.

    What are the ingredients and allergens?

    The culture is a dairy yogurt starter containing milk. Check the package for the current allergen statement, and contact us if you need details before ordering. It is not suitable for a dairy-free or vegan diet.

    How does shipping work?

    Free standard shipping is available on qualifying orders of $49.99 or more to the contiguous U.S. Other shipping rates are calculated at checkout. Discounts may affect eligibility; non-contiguous destinations have separate rates.