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by doingtheiroming 617 days ago
There was at least one study during the pandemic that showed efficacy of these things. The problem for studies is knowing exactly how much they're used. I've used the Boots version in the UK for a long time on the basis that there's half decent evidence that it's effective and the only real side effect is on my wallet. It would be great to see a challenge study of these things but I'm going to keep using them regardless.

One study during the pandemic which showed efficacy which could control for use by targeting healthcare workers in their workplace: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8493111/
3 comments
nikolay 616 days ago
Strangely, Boots is not mentioned [0] by Carragelose even though they say they contain it.

[0]: https://www.carragelose.com/en/portfolio/launched-products

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nikolay 616 days ago
It's interesting that Boots [0] recommends it only for treatment, not for prevention.

[0]: https://www.boots.com/boots-dual-defence-nasal-spray-20ml-10...

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nikolay 616 days ago
Carragelose now is used as eye drops [0] as well!

[0]: https://www.carragelose.com/en/portfolio/common-cold-product...

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