Click here to watch the full segment. Could Probiotics Be The Key To Healthy, Clear Skin? Dr. Kellman is quoted stating “When your gut is overrun with bad bacteria, it can lead to weight gain and fatigue. It’s our diet that is perpetuating the overgrowth of those bacteria causing us to be addicted and to crave all of these foods.” On the chyron, he was credited as Dr. Raphael Kellman, The Kellman Center. Dr. Kellman’s book, The Microbiome Diet is also shown on screen during the interview along with The Kellman Center line of supplements.