Coffee Consumption and Oxidative Stress: A Review of Human Intervention Studies Happy Bum Beans Organic Golden Roast Enema Coffee Clarity Essential Wellness Gippsland Coffee enemas are an effective detoxification therapy we offer at Hope4Cancer Treatment Centersused both at our treatment centers and as part of our at home protocols. While they may seem unconventional, their effectiveness Coffee enemas, a controversial alternative medicine practice from the 1920s, lack scientific evidence and pose significant risks, according to gastroenterology experts. Gwyneth Paltrow's lifestyle 'detox guide' promotes coffee enema. Experts say it's bogus.