A "yogurt starter" refers to a small amount of bacteria that is added to warm milk, which helps in turning it into yogurt. It kickstarts the fermentation process that creates the creamy and tangy taste of yogurt. Full definition
Have a look at our recipes for instructions on how to do so as well as our page on types of yogurt starter for information on obtaining the starter cultures required. (probiotics-help.com)
Vegan yogurt starter: cultures for health is a blend of bacteria specifically made for making dairy - free yogurt (amount varies, follow package instructions). (livwellnutrition.com)
If you're vegan or dairy intolerant like we are, then you can use a non-dairy yogurt starter. (smallfootprintfamily.com)