I think you're thinking of quercetin? I saw something mentioning that but don't have the link.
Quercetin: Uses, Side Effects, Interactions, Dosage, and Warning
If you don't mind my asking, do either of you have a backup plan for an extended outage of either electricity or internet?
I have been taking cash from the bank, but it's part of my general preparedness to have some cash at home, and in recent years I had gotten lazy and used it up without replacing. So I'm not doing it specifically for this situation, but for those of us who think the economy is fragile, as is the power grid and other aspects of our infrastructure, it's a prudent thing to be able to deal with a wide range of scenarios. Certainly any fragility in our systems are going to be tested during this crisis.
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