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.
vitamin D itself is unlikely to be the sole protectant against colds and flu but it's probably a good thing to include in your general kit of nutrition and supplementation tools if your goal is to keep your innate immune system fighting off colds and flu sufficiently
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
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.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
things like zinc vitamin D vitamin C we now know that unfortunately vitamin C gets a you know probably a D minus or an F at least as the data stand now but there are these other things like zinc and potentially an acetal cysteine that can be beneficial in shortening the duration of colds or flu and perhaps even helping us avoid getting colds or flu all together