Gateway Nutrition, in Edwardsburg, MI, is the leading nutrition store serving Cass, Berrien, St. Joseph and Elkhart counties and surrounding areas since 2014. We offer smoothies, teas, protein and nutritional shakes, multivitamins, supplements, protein bars, fitness classes, cardio drumming, health coaching, craft classes and much more. For all your nutrition needs, contact Gateway Nutrition in Edwardsburg. Getting ready for the New Year! This is the time to get in shape after the holidays and make a decision for a lasting change. Do you want to lose weight? Do you want to feel good? There is no time like NOW! Through our Weight Loss Challenges, you will have great support from staff and everyone who joins.