What to eat can effectively enhance immunity? Are there any better health care products that have no side effects on the body and have a good effect on enhancing immunity?

A new concept of biochemical health care nutrition-EMANNI Health Liquid, can quickly start the self-repair mechanism of human body, make the most complete nutritional balance for six systems of human body, such as immunity, nerve, circulation, vision, memory and bone, comprehensively improve liver and kidney function, enhance immunity and quickly enhance physical strength, and is an adjuvant treatment product for serious diseases, thus comprehensively improving sleep quality. Non-drugs contain 38 kinds of amino acids needed by human body without any side effects. It is on Taobao.