Est. 1986. 25-30 billion colony forming units (at the time of manufacture). Prebiotics for probiotic absorption. Nearly 70% of your immune system is housed in your gut! All lifeway products may help promote a balanced and diverse microbiome (as part of a balanced and healthy diet) to support a healthy immune system (as part of a balanced and healthy diet). Vegan Cultures! The Lifeway Story: Since 1986, we've been dedicated to producing the best tasting and highest quality probiotic products. Today, we're proudly living the American Dream and are excited to share the wonders of probiotics and the joys of good health with your family. I love your guts, Julie CEO.