Upper Respiratory Tract InfectionsUpper Respiratory Tract Infections
Upper Respiratory Tract Infections
Upper Respiratory Tract Infections
患病率: 2-4 episodes/year in adults; 6-8 in children
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Evidence-Ranked Ingredients
| 成分 | 等级 | 研究数量 | 研究方向 | |
|---|---|---|---|---|
| Vitamin D | A | 40 | Positive | 查看 → |
| Zinc | A | 15 | Positive | 查看 → |
| Beta-Glucan | A | 13 | Positive | 查看 → |
| Vitamin C | B | 30 | Positive | 查看 → |
| Echinacea | B | 20 | Positive | 查看 → |
| Andrographis | B | 7 | Positive | 查看 → |
| Garlic | B | 3 | Positive | 查看 → |
| Olive Leaf Extract | D | 3 | Positive | 查看 → |
| Oregano Oil | D | 2 | Positive | 查看 → |
About
Viral infections of the nose, sinuses, pharynx, and larynx — the most common acute illness worldwide. Includes the common cold (rhinoviruses), influenza, pharyngitis, and sinusitis. Average adults experience 2-4 episodes per year.
Common Symptoms
Nasal congestion
Runny nose
Sore throat
Cough
Sneezing
Low-grade fever
Headache
Fatigue
Risk Factors
- Season (fall/winter)
- Stress
- Sleep deprivation
- Close contact settings
- Young age
- Weakened immune function
- Smoking
Frequently Asked Questions
What supplements may help with Upper Respiratory Tract Infections?
Based on peer-reviewed research, supplements with the strongest evidence for Upper Respiratory Tract Infections include Vitamin D, Zinc, Beta-Glucan, Vitamin C. These have earned Grade A or B ratings from our analysis of clinical studies. Always consult your healthcare provider before starting any supplement.
How is the evidence for Upper Respiratory Tract Infections supplements graded?
We grade supplements on an A-F scale based on clinical study quality, consistency of results, sample sizes, and study design. Grade A indicates strong evidence from multiple clinical trials, while Grade D indicates preliminary evidence requiring further research.
How many studies on Upper Respiratory Tract Infections supplements have been reviewed?
Our evidence grades for Upper Respiratory Tract Infections are based on a total of 133 peer-reviewed studies across 9 ingredients. Studies are sourced from PubMed and include randomized controlled trials, meta-analyses, and other clinical research.
What are common symptoms of Upper Respiratory Tract Infections?
Common symptoms associated with Upper Respiratory Tract Infections include Nasal congestion, Runny nose, Sore throat, Cough, Sneezing. If you are experiencing these symptoms, consult a healthcare professional for proper diagnosis and treatment options.
Related Conditions
共享已研究成分的健康状况
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