Zinc 관련 Upper Respiratory Tract Infections
AMeta-analysis of 7 trials demonstrates zinc lozenges at 75+ mg/day may reduce cold duration by 33% when started within 24 hours of symptom onset. Zinc acetate lozenges at 80-92 mg/day showed 40% duration reduction. Doses below 75 mg/day showed no effect.
결론
Meta-analysis of 7 trials demonstrates zinc lozenges at 75+ mg/day may reduce cold duration by 33% when started within 24 hours of symptom onset. Zinc acetate lozenges at 80-92 mg/day showed 40% duration reduction. Doses below 75 mg/day showed no effect.
Key Study Findings
대상 집단: patients with post-viral olfactory dysfunction (non-COVID)
대상 집단: None
대상 집단: Elite/professional cyclists nutrition review
대상 집단: Children/adolescents with undernutrition
대상 집단: Children with otitis media
대상 집단: respiratory disease
Key Statistics
15
연구
1500
참여자
Positive
등급
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
일반적으로 사용되는 용량
- general:
- 8-11 mg/day
- coldtreatment:
- 75-100 mg/day elemental zinc (lozenges, within 24h of onset, up to 2 weeks)
- immunesupport:
- 15-30 mg/day
상한량: 40 mg/day (long-term)
연구에서 사용된 용량
| 용량 | 기간 | 효과 | N |
|---|---|---|---|
| tokishakuyakusan, zinc sulfate, methylcobalamin | -- | Positive | 107 |
| None | -- | Mixed | -- |
| None | -- | Mixed | -- |
| Various oral nutritional supplements | -- | Positive | -- |
| 20 or 30 days treatment | 5 weeks | Positive | 120 |
| 31 μg | -- | Neutral | -- |
| 94.57% | -- | Mixed | -- |
| None | -- | Mixed | 387 |
권장 복용 시간: Lozenges: dissolve slowly in mouth every 2-3h at cold onset; Supplements: with food to minimize nausea
Safety & Side Effects
보고된 부작용
- ⚠ Nausea and vomiting (especially on an empty stomach)
- ⚠ Metallic taste in the mouth
- ⚠ Copper depletion with chronic high-dose use (>40 mg/day)
- ⚠ Headache and diarrhea
알려진 상호작용
- ● Copper supplements (zinc inhibits copper absorption at doses >40 mg/day)
- ● Tetracycline and quinolone antibiotics (mutual absorption reduction)
- ● Penicillamine (zinc reduces absorption of this rheumatoid arthritis drug)
- ● Iron supplements (mutual absorption interference when taken together)
일일 최대 섭취 허용량: 40 mg/day (long-term)
건강기능식품을 복용하기 전에 반드시 의료 전문가와 상담하십시오.
Frequently Asked Questions
Does Zinc help with Upper Respiratory Tract Infections?
How much Zinc should I take for Upper Respiratory Tract Infections?
Are there side effects of Zinc?
How strong is the evidence for Zinc and Upper Respiratory Tract Infections?
Related Evidence
관련 다른 성분: Upper Respiratory Tract Infections
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