creatinine Monday,January 4, 2023 Byoptimizenetz by optimizenetz | Jan 4, 2023 | 0 comments (kree-AT-ih-nin): a waste product from protein in the diet and from the muscles of the body. Creatinine is removed from the body by the kidneys; as kidney disease progresses, the level of creatinine in the blood increases. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.