Garlic لـ Upper Respiratory Tract Infections

A 12-week randomized controlled trial found the garlic group experienced 63% fewer colds, 70% shorter symptom duration, and significantly fewer viral-challenged days (111 vs 365) compared to placebo. While promising, human clinical trials remain limited.

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الخلاصة

Key Study Findings

Other n=80 3 weeks Double-blind

Investigation of the natural supplement IQP-AS-119 for the prevention of upper respiratory tract infections in …

Dose: 20.0% مقابل: placebo Outcome: None التأثير: or 14 P=0.038

المجتمع المدروس: None

Other 17.3 weeks

Protective Effects of AGE and Its Components on Neuroinflammation and Neurodegeneration.

Dose: None مقابل: None Outcome: None التأثير: None None

المجتمع المدروس: Alzheimer's disease patients

Review

Treatment of the common cold in children and adults.

Dose: None مقابل: None Outcome: infection rate التأثير: None None

المجتمع المدروس: None

Review

Chemoprevention of bladder cancer.

Dose: Various nutrients (selenium, vitamins, green tea) مقابل: None Outcome: Bladder cancer chemoprevention التأثير: None None

المجتمع المدروس: Bladder cancer patients

Meta-Analysis

Unsafe and potentially safe herbal therapies.

Dose: None مقابل: None Outcome: lipid levels التأثير: None None

المجتمع المدروس: hypertensive patients

Key Statistics

الدراسات

300

المشاركون

↑

Positive

التقييم

Referenced Papers

Investigation of the natural supplement IQP-AS-119 for the prevention of upper respiratory tract infections in marathon race participants: A randomized, … Other

Experimental and therapeutic … 2021

Protective Effects of AGE and Its Components on Neuroinflammation and Neurodegeneration. Other

Neuromolecular medicine 2016

Treatment of the common cold in children and adults. Review

American family physician 2012

Chemoprevention of bladder cancer. Review

The Urologic clinics … 2002 20 اقتباسات

Unsafe and potentially safe herbal therapies. Meta-Analysis

American journal of … 1999 226 اقتباسات

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

الجرعات الشائعة

fresh:: 2-5 g raw garlic/day
general:: 600-1,200 mg aged garlic extract/day

الحد الأعلى: No established UL; high doses may increase bleeding risk

الجرعات المدروسة في الأبحاث

الجرعة	المدة	التأثير	ن
20.0%	3 weeks	Mixed	80
None	17.3 weeks	Positive	--
None	--	Mixed	--
Various nutrients (selenium, vitamins, green tea)	--	Positive	--
None	--	Mixed	--

أفضل وقت للتناول: With meals to reduce GI discomfort

Safety & Side Effects

الآثار الجانبية المُبلّغ عنها

⚠ Gastrointestinal discomfort (heartburn, gas, nausea)
⚠ Body and breath odor
⚠ Increased bleeding risk
⚠ Allergic reactions (contact dermatitis, rare)

التفاعلات المعروفة

● Anticoagulants and antiplatelet drugs (may increase bleeding risk)
● HIV protease inhibitors (saquinavir — may reduce drug levels)
● CYP2E1 substrates (garlic may alter metabolism)
● Isoniazid (may reduce drug absorption)

الحد الأقصى المسموح به: No established UL; high doses may increase bleeding risk

استشر مقدم الرعاية الصحية دائماً قبل البدء بأي مكمل غذائي.

Frequently Asked Questions

Does Garlic help with Upper Respiratory Tract Infections?

Based on 3 studies with 300 participants, there is moderate evidence from clinical studies that Garlic may support Upper Respiratory Tract Infections management. Our evidence grade is B (Good Evidence).

How much Garlic should I take for Upper Respiratory Tract Infections?

Studies have used various dosages. A commonly studied range is 2-5 g raw garlic/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Garlic?

Reported side effects may include Gastrointestinal discomfort (heartburn, gas, nausea), Body and breath odor, Increased bleeding risk, Allergic reactions (contact dermatitis, rare). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Garlic and Upper Respiratory Tract Infections?

We rate the evidence as Grade B (Good Evidence). This rating is based on 3 peer-reviewed studies with 300 total participants. The overall direction of effect is positive.

Related Evidence

مكونات أخرى لـ Upper Respiratory Tract Infections

Vitamin D A Zinc A Beta-Glucan A Vitamin C B Echinacea B Andrographis B

الخلاصة السريعة

Evidence Strength72%

High confidence

تفصيل الدراسات

RCT (0)Meta (1)Other (2)

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اعرف كيف تقارن المكونات الأخرى لهذه الحالة.

عرض جميع المكونات لـ Upper Respiratory Tract Infections

اعرف المزيد

إخلاء مسؤولية FDA: لم تُقيَّم هذه البيانات من قبل إدارة الغذاء والدواء (FDA). لا تهدف المنتجات والمعلومات الواردة في هذا الموقع إلى تشخيص أو علاج أو شفاء أو الوقاية من أي مرض. تستند تقييمات الأدلة المعروضة إلى تحليلنا للأبحاث المحكّمة المنشورة ولا تُشكّل نصيحة طبية. استشر مقدم الرعاية الصحية دائماً قبل البدء بأي نظام مكملات.