Prevention with garlic supplement (Allicin tablets). Only 1 valid study conducted, with 146 adults. More research is needed, to determine benefits and risks. May prevent Common Cold occurrences. Side effects seem minor.
Do not use this treatment:
Unknown impact. Only 1 study, with only 146 participants and a questionable blinding of participants (due to garlic smell when burping). More research needed.
Note that while infections with various strains of Corona viruses are responsible for most cases of common cold, the new corona virus strain, SARS-CoV-2, leads to an entirely different coronavirus infectious disease, COVID-19. The research of treatments for COVID-19 is still pre mature and not based on solid evidence. Therefore, at this stage, we can only speculate that effective treatments for common cold (and related Corona virus strains) may prove effective for Corona disease 2019 (COVID-19) and the related SARS-CoV-2 strain. Please don't count on it.
Allicin (garlic) tablets
healthy Adults, 16 to 65 years old
Daily tablet with 180 mg of allicin (garlic)
Prevention of Common Cold symptoms
Unclear impact, more research is needed. Based on only one trial, may prevent occurrences of the Common Cold, but not the duration of Common Cold occurrences.
Unclear, more research is needed. Side effects include odor and a skin rash, according to the same single study.
Common Cold (symptoms caused by viral infection of the upper respiratory system).
Symptoms and signs:
Cough, general discomfort, headache, runny nose, sneezing, sore throat, stuffy nose and weakness.
Bacterial infections: lung infection, middle ear infection, strep throat, sinus infection.
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Garlic (scientific name Allium sativum) is a species in the onion genus, Allium. Its close relatives include the onion, shallot, leek, chive, and Chinese onion. With a history of several thousand years of human consumption and use, garlic is native to Central Asia and northeastern Iran, and has long been a common seasoning worldwide. It was known to Ancient Egyptians, and has been used both as a food flavoring and as a traditional medicine. (source)
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