All Natural,No Artificial colors or Flavors,High Activity, Sugar-Free. Contains 5 kinds of probiotics, help promote gut for health and make your digestive tract run more smoothly. Each large packet cotains 10 small pack,1 small pack(1g) can ferment 1L milk. Product Name :Lactobacillus Yogurt Starter (5 Probiotics) Probiotics Ingredients:Maltodextrin,Lactobacillus bulgaricus,Streptococcus thermophilus, Lactobacillus acidophilus,Lactobacillus plantarum,Lactobacillus casel. Origin: Denmark Storage Life and Method:12 months at room temperature in a dry and cool condition;18 months if sealed and for frozen. Production Date: See the seal Net Content: 10g(1g*10pack) PLS READ THE FOLLOWING NOTES CAREFULLY !!! Notes: 1.Strongly Recommend keeping it refrigerated and sealed. 2.Put it in the FREEZER for more than 3 hours as soon as you receive it.It will help to improve the viability of probiotics and make fermentation more easy after freezing.Then you can use it any for time. 3.DO NOT use the detergent to clean the inner container of yogurt machine,try to use the boiling water. 4.Make sure the Yogurt Starter Powder is Stirred Evenly and does not stick to the bottom or side of the container. 5.Try to choose The Whole Milk at room temperature.DO NOT use the cold milk . 6.Set the fermentation temperature around 109(43),the fermentation for time is usually 6-8 hours,you can prolong to 10-12hours in winter. 7.You can prolong the fermentation for time to increase acid,but no more than 15 hours. 8.Refrigerate the fermented yogurt for 3-5 hours tastes better. 9.DO NOT put sugar into it before you ferment if you are not very skilled,you can add some raisins ,strawberries,honey, in the fermented yogurt on your own tastes. Attention: The product packaging may be a little different due to different production batch. Don'for t worry, this won'for t affect the product itself. Package included: one large packet (1g*10 small pack)