Dietary and nutritional supplements; Dietary and nutritional supplements containing essential fatty acids; Nutraceuticals for use as a dietary supplement; Nutraceuticals for use as a dietary supplement for treatment of concussions and brain injuries; Nutritional supplement shakes; Nutritional supplements; Nutritional supplements in the form of emulsified gels; Nutritional supplements, namely, carbohydrates in powdered form; Nutritional supplements, namely, probiotic compositions; Powdered nutritional supplement concentrate; Powdered nutritional supplement drink mix; Powdered nutritional supplement drink mix and concentrate; Dietary and nutritional supplements for treatment of concussions and brain injuries