Cultures for Health is a company that offers a variety of starter cultures and products for making fermented foods at home. One of their popular products is the Greek Yogurt Starter Culture. This Greek Yogurt Starter Culture from Cultures for Health allows you to make rich and creamy yogurt with a tangy flavor that is characteristic of traditional Greek yogurt. The starter culture contains a blend of live active cultures, including Lactobacillus bulgaricus and Streptococcus thermophilus, which are commonly used in yogurt-making.