There is scientific evidence regarding the effectiveness of several complementary therapies for colds. Oral zinc may reduce the length and severity of a cold. Taking vitamin C supplements on a regular basis only slightly reduces the length and severity of colds. It is now accepted that an overwhelming inflammatory response is the cause of human deaths from avian
Int J Mol Med
2020 Apr 14;46(1):17-26.
doi: 10.3892/ijmm.2020.4575. Online ahead of print.