21 Jan 2019 --- One overarching theme in the industry this year will be a “holistic approach” to health and weight management. This could even incorporate sustainability and mental health concerns, according to dieticians. Under this holistic umbrella, the keto diet, gut-boosting foods, dairy alternatives and plant proteins are all set to shine in 2019, as highlighted in the annual Pollock Communications and Today’s Dietician “What's Trending in Nutrition” survey.