Does birth control affect Slenderiiz results? Administrator August 14, 2017 18:28 Please refer to your physician. Related articles Slenderiiz FAQs Does Slenderiix or Xceler8 affect blood pressure? How does Slenderiix work? Can someone who is going through any type of surgery still be on Slenderiiz and supplementation? How long do I leave the Slenderiix drops under my tongue and what do I do after? Comments 0 comments Please sign in to leave a comment.