Not All Ivermectin Is Created Equal: Comparing The Quality of 11 Different Ivermectin Sources

Ivermectin, better known for antiparasitic activity, is a broad spectrum antiviral with activity against many viruses including H7N768, Dengue34,69,70, HIV-170, Simian virus 4071, Zika34,72,73, West Nile73, Yellow Fever74,75, Japanese encephalitis74, Chikungunya75, Semliki Forest virus75, Human papillomavirus54, Epstein-Barr54, BK Polyomavirus76, and Sindbis virus75.

Ivermectin inhibits importin-α/β-dependent nuclear import of viral proteins68,70,71,77, shows spike-ACE2 disruption at 1nM with microfluidic diffusional sizing35, binds to glycan sites on the SARS-CoV-2 spike protein preventing interaction with blood and epithelial cells and inhibiting hemagglutination38,78, shows dose-dependent inhibition of wildtype and omicron variants33, exhibits dose-dependent inhibition of lung injury58,63, may inhibit SARS-CoV-2 via IMPase inhibition34, may inhibit SARS-CoV-2 induced formation of fibrin clots resistant to degradation7, inhibits SARS-CoV-2 3CL^pro51, may inhibit SARS-CoV-2 RdRp activity26, may minimize viral myocarditis by inhibiting NF-κB/p65-mediated inflammation in macrophages57, may be beneficial for COVID-19 ARDS by blocking GSDMD and NET formation79, may interfere with SARS-CoV-2's immune evasion via ORF8 binding2, may inhibit SARS-CoV-2 by disrupting CD147 interaction80-83, shows protection against inflammation, cytokine storm, and mortality in an LPS mouse model sharing key pathological features of severe COVID-1956,84, may be beneficial in severe COVID-19 by binding IGF1 to inhibit the promotion of inflammation, fibrosis, and cell proliferation that leads to lung damage6, may minimize SARS-CoV-2 induced cardiac damage37,45, increases Bifidobacteria which play a key role in the immune system85, has immunomodulatory48 and anti-inflammatory67,86 properties, and has an extensive and very positive safety profile87.