Do nutritional supplements strengthen your immune system in winter?

Do nutritional supplements strengthen your immune system in winter?

Dietary supplements are widely available without a prescription. They are widely used. In 2020, sales of immunity supplements increased by 74% due to the corona pandemic (Trends 2021). Two years later, the health crisis and inflation do not seem to dampen this growth. Is it really worth it for your immunity to take nutritional supplements … Read more