joint USA/UK/Sweden study finds women benefit from some supplements against Covid,
but surprisingly... men do not benefit

https://www.news-medical.net/news/20201201/Which-dietary-supplements-can-help-prevent-COVID-19.aspx

sample quote

Next the team broke down the participant population into gender, age and body mass index (BMI) classes
and found that probiotics, omega-3 fatty acids, multivitamins and vitamin D protected females of all ages and BMI from SARS-CoV-2.
The same protection was not seen among men.
Similar protective effects were noted for the American and Swedish populations as well.

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