10 capsules of yogurt starter culture, 240mg each for 1 to 2L milk. Contains no less than 1Ã?109 living cells per gram: Lactobacillus bulgaricus, Streptococcus thermophilus. Make your own delicious and healthy yogurt at home using our yogurt starter culture! Bulgarian yogurt is probiotic food and with unique taste and beneficial health effects. Our probiotic yogurt starters are 100% natural and are not genetically modified.