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Studies related to Symptoms of the Common Cold and Garlic

Preventing The Common Cold With A Garlic Supplement: A Double-blind, Placebo-controlled Survey

Effect Decrease
Trial Design Double blind
Trial Length 1-6 months
Number of Subjects 146
Sex Both Genders
Age Range 30-44, 45-64
Notes for this study:
Supplementation of garlic powder (180mg allicin) over the course of twelve weeks noted that the supplementation group recovered from sickness faster (1.52 days of sickness relative to 5.02 in placebo) and experienced sickness at a lower rate (111 cumulative sick days, relative to 366 in placebo), suggesting immunity from the common cold by reducing both length and occurrence by 70%.

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