yogurt starter

Heirloom Cultures

“Every tradition has a first batch.”

Family heirlooms have to start somewhere - Start yours today!

What’s Your Flavor?

Three glass jars filled with different sourdough starters on a wooden tray, against a white tile background.

Sourdough Cultures

A wooden bowl filled with white yogurt next to a wooden spoon on a table with a burlap cloth.

Mesophilic Cultures

Three glass jars of plain yogurt on a white tray with wooden spoons.

Thermophilic Cultures

Kombucha SCOBY in glass jar with tea

Kombucha, Jun, & Vinegars

Logo with the text "positively probiotic" encircled by dotted and leaf designs.

At Positively Probiotic, we make fermentation joyful, approachable, and delicious. Our small-batch cultures nourish your kitchen—and your gut—with powerful probiotics and old world tradition. Whether it's creamy yogurt, vibrant kefir, or vegan ferments, we're here to guide and cheer you on. From our fermentation corner to yours, we believe culture should be shared, celebrated, and savored.

More Variety

At Positively Probiotic, we have curated an impressive array of probiotic cultures. Our dedication to discovering and providing exceptional cultures distinguishes us. If you are searching for a particular culture that we currently do not offer, please contact us without delay. Your contentment motivates us to continually broaden our selection.

Don’t Settle

Are you ready to fuel your gut health with probiotics by the billions? Optimal functioning and overall well-being are within your reach when you prioritize a healthy gut environment. Say goodbye to artificial imitations and embrace whole food probiotics for sustained health benefits. Choose natural probiotic sources to support a thriving microbial ecosystem within - your gut will thank you!