Lactobacillus bulgaricus Super Strain LB-51 ..... 1 billion cfu Streptococcus thermophilus Strain BC 122 ........1 billion cfu Non-fat milk solids, whey. Natren YOGURT STARTER is an easy and delicious way to add probiotics to your diet. This yogurt is a tasty, Bulgarian recipe full of protein, calcium, and super strain probiotics. The creamy thick deliciousness is a nutritional treat your whole family can enjoy! YOGURT STARTER: Uses a traditional recipe for smooth, yummy yogurt Is naturally sweet with no preservatives, artificial colors or flavors. Provides the beneficial bacteria that makes it a healthy treat , A delicious source of protein and bioavailable calcium , Natren YOGURT STARTER dairy powder is a recipe passed down over generations. It has graced the table of royalty the world-over. The Bulgarian recipe is filled with creamy healthy goodness. Eat it plain, straight from the fridge, use it as a sour cream substitute on your tacos and potatoes, or dress it up with your favorite fruit and honey to satisfy that sweet tooth! 100% potency guaranteed through the printed expiration date. YOGURT STARTER PRODUCT AVAILABILITY DAIRY – Loose Powder PROBIOTIC STRAINS USED: 1 tsp (2 grams) contains: Lactobacillus bulgaricus , LB-51  1 billion cfu ,thermophilus , BC 122  1 billion cfu , SIZE: 1.75 oz bottle .