This comprehensive guide supports patients through Enhanced Recovery After Surgery (ERAS) for bariatric procedures including sleeve gastrectomy and gastric bypass. It covers pre-operative preparation including smoking cessation, exercise, dietary changes with meal replacements, multivitamin supplementation, carbohydrate loading, post-operative care with progressive activity goals, liquid diet progression, pain management, discharge planning with follow-up schedules, and home recovery instructions emphasizing gradual activity increases and lifelong vitamin supplementation.