Research suggests that the available published studies linked to garlic in food form for cold and flu support do not directly examine garlic itself, but rather explore how respiratory viral infections like COVID-19 affect sensory systems such as smell, taste, and oral chemesthesis, as well as broader observational factors influencing COVID-19 outcomes in population settings. The studies consist of small observational and cohort-based investigations, all rated as neutral in direction, and none were designed as controlled trials testing garlic as an intervention for cold or flu prevention or treatment. One study noted that dietary and behavioral factors were among many variables examined in relation to COVID-19 outcomes in Indian containment zones, but no specific conclusions about garlic were drawn. Overall, the linked evidence base does not provide meaningful support for or against the use of garlic in food form for cold and flu purposes, and readers interested in this topic would need to consult research specifically designed to evaluate garlic as a dietary or supplemental intervention.
Citations from PubMed and preprint sources. Match score (0-100) reflects automated search ranking, not clinical appraisal.
| Title | Type | Year | Direction | Match |
|---|---|---|---|---|
| Transient loss and recovery of oral chemesthesis, taste and smell with COVID-... | Other | 2023 | Neutral | 67 |
| Reduced odor detection and hedonic changes in asymptomatic university student... | Other | 2020 | Neutral | 62 |
| Effect of Lockdown Implementation, Environmental & Behavioural factors, Diet ... | Other | 2020 | — | 57 |