 Muscle Maker, Inc. GRIL the parent company of Muscle Maker Grill Healthy Joes, a fast-casual concept known for serving healthier for you meals, today announced that it will offer free immunity boosters with all smoothie and shake purchases throughout the remainder of cold and flu season to boost morale especially in the face of the COVID-19 pandemic. The brand is focused on doing its part to keep guests healthy as the practice of social distancing and desire for boosted immunity increase, especially in major cities across the US. The company is also focusing on its delivery efforts and capacity to ensure Americans continue to be able to order fresh healthy food for their families at home while practicing social distancing. 