Knowledge base
All remedies A–Z
Short, sourced profiles of the remedies we cover. Informational only, not medical advice.
Remedies
Herb
Echinacea
Echinacea purpurea
Echinacea is widely used for colds, but the evidence is weak and inconsistent.
Supplement
Vitamine C
Ascorbinezuur
Vitamin C does not prevent colds in the general population, but may shorten them slightly.
Supplement
Vitamine D
Vitamine D3 (cholecalciferol)
Vitamin D supports immunity mainly when you are deficient. Many people in the Netherlands are advised to supplement.
Herb
Vlierbes
Sambucus nigra
Elderberry is a popular cold remedy with small, low-quality studies behind it.
Supplement
Zink
Zink
Zinc, taken early, may make a cold a little shorter. Do not overdo the dose.