Yes, whey is a milk protein and is naturally gluten-free. Pure whey should be safe on the gluten-free diet. However, always read the label and confirm GF status on whey powders as other ingredients are often added.
Another thing to note is that whey is not suitable for those who have a sensitivity to dairy or a milk allergy.
Note: This information is provided by NCA and Katarina Mollo MEd, RDN, LDN, NCA's Director of Education. This information is meant for educational purposes only and is not intended to substitute for personalized medical advice or replace any medical advice provided directly to you by your health care provider. No liability is assumed by the NCA or Katarina Mollo, MEd, RDN, LDN by providing this information.