26 Nov 2020 --- The COVID-19 crisis has led to a sharp rise in immunity positionings, while NPD skyrocketed in the past year. NutritionInsight speaks with industry experts about the trendiest immunity ingredients and their health benefits.Ingredients such as pre- and probiotics, whey protein, vitamins D and C, astaxanthin, spirulina and omega 3 fatty acids, as well as turmeric and palmitoylethanolamide (PEA), are spotlighted as supporting overall health and immunity.