Symptom·Immune·Reviewed June 4, 2026
Supplements for Frequent colds.
When frequent colds is the complaint, these are the supplements most often associated with it in the NutriStack library, ranked by how directly each one targets it and by the strength of the evidence.
Ranked by relevance, top first.
Relevance reflects how directly each supplement targets this symptom in the NutriStack map. Evidence is the supplement’s own rating. Open any name for the full profile.
- 01Beta-GlucanModerate60% match
Yeast beta-glucans may prime innate immune responses and reduce URTI burden.
SuggestedYeast 1,3/1,6 beta-glucan - 02American GinsengLimited55% match
Proprietary American ginseng polysaccharide extracts (e.g., CVT-E002/COLD-fX) have reduced the frequency, severity, and duration of upper respiratory infections in some trials, likely via stimulation of innate and adaptive immune responses...
SuggestedStandardized polysaccharide extract 200-400 mg daily - 03LactoferrinLimited52% match
May support mucosal immune defenses and reduce respiratory infection risk in pooled RCTs.
SuggestedBovine lactoferrin capsule - 04AndrographisLimited40% match
May support acute immune response, but chronic prevention evidence is less clear.
SuggestedShort-course standardized extract
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These rankings come from the same library that powers the NutriStack app. Open any supplement for full dosing, forms, interactions, and citations.