Best Supplements for Immunity
A strong immune system is your first line of defence. These evidence-backed supplements may help support immune function, especially during winter months.
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Research highlights
Top Supplements for Immunity
Ranked by evidence strength and effectiveness. Get personalised dosages above.
Vitamin C
May reduce cold duration. Higher doses during illness may help.
Vitamin D
Most Australians are deficient in winter. Get levels tested. Maintain 75-100 nmol/L.
Zinc
Zinc lozenges within 24 hours of cold onset may reduce duration.
Elderberry
May reduce cold and flu duration and severity. Not for autoimmune conditions.
NAC (N-Acetyl Cysteine)
Supports glutathione production, the body's master antioxidant. Well-studied for respiratory health and immune support.
Quercetin
Natural antihistamine and zinc ionophore. Pairs well with zinc for immune support. May reduce allergy symptoms.
Evidence ratings based on peer-reviewed clinical research. Individual results may vary.
How SuppUp Recommends Supplements
Our recommendations are based on peer-reviewed clinical research. We evaluate each supplement on effectiveness, evidence quality, safety profile, and value for money across Australian retailers.
Always consult a healthcare professional before starting any supplement regimen, especially if you are taking medications or have existing health conditions.
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