Supplements
'Immune' receives a Good overall score due to moderate scientific backing for key ingredients in symptom relief rather than robust prevention. Zinc has strong evidence (Grade A/B on Examine) for shortening colds when used as lozenges at 75mg elemental zinc daily, supported by meta-analyses showing 2-3 day reductions. Vitamin D supplementation (2000 IU typical) prevents respiratory infections in deficient populations per large RCTs (e.g., Martineau 2017, 5110 participants). Elderberry extracts re
Immune is a decent generic supplement for mild immune support, particularly for reducing cold duration via Zinc and Elderberry. Suitable for occasional use if deficient in key nutrients, but opt for tested brands with disclosed doses for better reliability. Not a miracle cure for prevention.