UpSpring MilkFlow Drink Mix Breastfeeding Supplement Packets contain a proprietary blend of milk-optimizing herbs that have been traditionally used across cultures and over centuries to support breast milk supply. The naturally sourced herbs include fenugreek, blessed thistle, and anise. Plus, these Orange-Mango-flavored drink packets are rich in Vitamins C and D to provide immune support because your baby is counting on you.* Safe to use when pumping, this breastfeeding drink mix works naturally with your body to support the hormones that help support your breast milk supply.* Women who are breastfeeding should increase fluid intake by about 30%, so a lactation supplement drink mix is a great way to support your milk supply and make every sip count.