Meal replacements shakes are an innovative addition to the supplement industry that provide a useful way of getting essential nutrients in for people who are on the go or for those who just want to avoid snacking on fatty unnecessary foods. If you are someone who is very busy and who does not have time to sit down and have a meal in the middle of a full day, a meal replacement shake provides you with a good amount and healthy source of macro and micronutrients that will leave you both satiated and energized in a far healthier way than a packeted snack ever could.