FOODSEG

Humans need a variety of vitamins and minerals, including vitamin C, vitamin D, and zinc, to achieve normal immune function, and the clinical lack of these nutrients can increase the susceptibility to infection... Some nutrients, such as vitamin C, are known for their immune support effects, while others are less known. These include zinc, vitamin D, vitamin C, curcumin, cinnamaldehyde, probiotics, selenium, lactoferrin, quercetin, etc... Vitamin C is able to prevent and treat respiratory and systemic infections by improving various immune cell functions.