Rhonda Patrick· PhD
six trials involving more than 600 marathon runners, skiers and soldiers reported 50% fewer colds among those who took supplemental vitamin C
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
six trials involving more than 600 marathon runners, skiers and soldiers reported 50% fewer colds among those who took supplemental vitamin C
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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a meta-analysis of six trials involving more than 600 marathon runners, skiers and soldiers reported 50% fewer colds suggesting that people who frequently participate in high endurance exercise might be more responsive to supplemental vitamin C than others
For example, 6 trials involving more than 600 marathon runners, skiers and soldiers reported 50% fewer cold when supplementing with vitamin C.