The Truth About Immune Boosters: What Works, What Doesn’t, and Why
The market is full of “immune boosters”—but do they all work? Here's a breakdown of what the science actually supports and what to watch out for.
What Works
- Vitamin C, D, Zinc – Essential, evidence-backed nutrients
- Elderberry, Echinacea – Herbal extracts with promising results
- Probiotics – Especially those with immunomodulatory strains
What Doesn’t Work (or Lacks Evidence)
- Mega-dosing everything
- Homeopathic remedies
- Unregulated or vague “immunity blends”
How to Choose a Product That Works
- Check for clinically dosed ingredients
- Look for transparency on labels
- Prefer NZ or TGA-approved facilities
- Check if it’s tailored to your age group
Lifeguard Health is formulated by clinicians, designed for over-40s, and built on science—not hype.
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Related guide: Immune Resilience in Midlife: A Guide for Adults Over 40
