What is the Natural Lemon Flavor in Restoriix? Administrator March 01, 2018 19:07 The Natural Lemon Flavor is a natural-derived flavoring ingredient made from citrus. Related articles Are there any side effects of Restoriix? Restoriix How long can I take Restoriix for? Can Restoriix be taken with food or put in a shake? Why do I have diarrhea after taking Restoriix? Comments 0 comments Please sign in to leave a comment.