@prettycutz: The new anti aging craze to hit Hollywood is NAD+ Celebrities like Hailey Bieber & Kendall Jenner say they will never stop using it. Gary Brecka on this weeks The Ultimate Human Podcast breaks down what it is , how your body makes it and what you need to know if you want to use it. #garybrecka #NAD #antiaging #kendallJenner #haileybieber