Yes, our Collagen Peptide products are Kosher.  Collagen Peptides Powder, Chocolate Collagen, and Vanilla Collagen are certified kosher through Kosher Supervisory Services. For specific questions relating to Further Food Collagen, Chocolate Collagen or Vanilla Collagen, you can contact Rabbi Noah Sheinkopf at Kosher Supervisory Services. Marine Collagen is certified by Orthodox Union.