What habits have people changed since Covid-19, are people in Germany and China more conscious of their health, of their food and beverage consumption, taking more vitamins?

Consumer Behaviour on Healthy Functional Beverage in Germany and China

What habits have people changed since Covid-19, are people in Germany and China more conscious of their health, of their food and beverage consumption, taking more vitamins?… elaborate

What are already existing ingredients used in Germany and China regularly in their diets with health benefits?

What ingredients are slowly emerging in China and Germany with claimed health benefits?

What healthy functional beverages are prominent and consumed in Germany and China already

What other healthy functional beverages are being introduced to Germany and China

Consumer behaviour of Germany and China for food and beverage, does this correlate with traditional/culture?