What is the recommended dosage for Zinc?

General: 8-11 mg/day; Cold Treatment: 75-100 mg/day elemental zinc (lozenges, within 24h of onset, up to 2 weeks); Immune Support: 15-30 mg/day

What are the side effects of Zinc?

Potential side effects include: 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.

What is zinc and how does it support the immune system?

Zinc is an essential trace mineral required for the development and function of immune cells including neutrophils, natural killer cells, and T-lymphocytes. Zinc deficiency impairs both innate and adaptive immunity and is associated with increased infection susceptibility.

What dosage of zinc has been studied for immune health?

Clinical trials have used zinc at doses of 15–75 mg per day for immune outcomes. For reducing cold duration, zinc lozenges providing 75 mg or more of elemental zinc per day (started within 24 hours of symptom onset) have shown the most consistent results.

What are the potential side effects of zinc supplementation?

Common side effects include nausea, metallic taste, and gastrointestinal discomfort. Chronic intake above 40 mg per day may cause copper deficiency and associated anemia. Intranasal zinc products have been linked to irreversible loss of smell and should be avoided.

Zinc
Zinc

mineral

Còn được gọi là: Zinc Acetate, Zinc Gluconate, Zinc Picolinate, Zinc Citrate

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About

Zinc is an essential trace mineral required for the development and function of neutrophils, natural killer cells, and T lymphocytes. It acts as a signaling molecule for immune cells and supports thymic function and T-cell maturation. Meta-analyses demonstrate zinc lozenges at 75+ mg/day may reduce cold duration by 33% when started within 24 hours of onset.

How It Works

Essential trace mineral required for development and function of neutrophils, NK cells, and T lymphocytes; acts as a signaling molecule for immune cells and supports thymic function and T-cell maturation.

Evidence For Conditions

Tình trạng	Xếp hạng	Nghiên cứu	Người tham gia
Upper Respiratory Tract Infections	A	15	1500	Xem →

Side Effects

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

Drug & Supplement Interactions

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)

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Related Ingredients

Selenium Iron

Thông tin nhanh

Liều lượng: General: 8-11 mg/day; Cold_Treatment: 75-100 mg/day elemental zinc (lozenges, within 24h of onset, up to 2 weeks); Immune_Support: 15-30 mg/day
Dạng bào chế: lozenge capsule tablet liquid syrup
Nguồn tự nhiên: Oysters, Red meat, Poultry, Beans, Nuts, Pumpkin seeds
Giới hạn trên: 40 mg/day (long-term)
Thời điểm tốt nhất: Lozenges: dissolve slowly in mouth every 2-3h at cold onset; Supplements: with food to minimize nausea

Tóm tắt bằng chứng

Upper Respiratory Tract Infections A

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