All flavors of Ripple Milk and Ripple Kids Milk in 48oz refrigerated bottles and 32oz shelf-stable cartons are certified kosher by KOF-K. Ripple Half & Half and Barista Blend, along with Ripple Shake Ups and Ripple Protein Shakes in the 11oz Tetra Paks, are also certified kosher by KOF-K. In 2025, we are transitioning our On-The-Go Milks to be kosher certified. Please check the label of each package for the kosher symbol or email us at [email protected] to confirm the kosher status of On-The-Go Milks if you are ordering online. Ripple Protein Shakes in 12oz bottles are not certified kosher at this time.