Gut Instinct: Unveiling the Core of Your Health (Print Edition)Gut Instinct: Unveiling the Core of Your Health By Beth Levis Founder of By Beth Bovine Collagen Discover the book thats helping women reclaim their health, energy, and confidence starting from the core. In Gut Instinct, Beth Levis takes you on a transformative journey through the hidden world within your gut. Drawing on years of personal experience and scientific research, she reveals how your gut health shapes your skin, energy, mood, immunity, and