I purchased this for myself, but I no longer need it, so I'm selling it. Brand new, unopened, and ready for immediate purchase. This is a 2-week challenge pack of lactic acid bacteria supplements. - Product Name: LACTIS 2WEEKS CHALLENGE - Contents: 10ml x 7 packets x 2 sets - Features: Lactic acid bacteria supplement, lactic acid bacteria extract - Expiration Date: 2027.11.11 - Manufacturer: B&S Corporation