24 Dec 2021 --- While the first year of the COVID-19 pandemic brought a significant focus on immunity, 2021 saw a rising awareness of the mental impacts of lockdowns and other related stresses. Mood-boosting and sleep-friendly NPD proliferated, while digestive health shook off its stigma. NutritionInsight also takes a look back at other key themes that shaped 2021, like industry partnerships and the debate around plant-based nutrition.