All natural, no artificial colors or flavors, high activity, no sugar. OOTDTYhe contains 5 types of probiotics, helps promote gut health and makes the digestive tract run more smoothly. Each big package contains 10g,1g can ferment 1L of milk. Product Name: Lactobacillus Yogurt Starter (5 Probiotics)Probiotics Ingredients: Maltodextrin, Lactobacillus bulgaricus,Streptococcus thermophilus, Lactobacillus acidophilus,Lactobacillus plantarum,Lactobacillus casel. Storage time and storage: 12 months at room temperature in a dry and cool state; 18 months in case of sealing and freezing. Production date: see stampNet content: 10gPLS read the following notes carefully! Notes:1. We strongly recommend storing it in the refrigerator and sealing.2. Place it in the freezer for more than 3 hours as soon as you receive it. This will help improve the viability of the probiotics and make it easier to ferment after freezing. Then you can use it at any time.3. Do not use detergent to clean the inner container of the yogurt machine, try to use boiling water.4. Make sure the yogurt starter powder is evenly mixed and does not stick to the bottom or side of the container.5. Try to pick out whole milk at room temperature. Do not use cold milk.6. Set the fermentation temperature about 109 °F(43 °C), the fermentation time is usually 6-8 hours, can be extended to 10-12 hours in winter.7. You can extend the fermentation time to increase the acid, but no more than 15 hours.8. Chill fermented yogurt for 3-5 hours tastes better.9. Do not put sugar IN it before fermenting, if you are not very skilled, you can add raisins, strawberries, honey, to fermented yogurt for their own flavors. Note: The product packaging may be slightly different due to different production batch. Don't worry, it won't affect the product itself. Package Included: One Big Package (10g)