RE:RE:RE:RE:RE:RE:University of Manitoba lab gets funding boost to take extrem Pandora,
You don't have to eat the whole apple, its quercetin is in the peel only. If that still gives you a problem, there's always raw kale, red onions (raw), yellow onions (cooked), radish leaves, red leaf lettuce, cooked asparagus, capers, and a host of other plant sources ... or a quality OTC supplement (look for quercetin dihydrate).
Zinc needs to be inside your cells to counteract the COVID virus by stopping it from replicating itself there. Serum zinc is an ion and can't get into your cells without the help of an ionophore, such as quercetin or HCQ.
It's the time of year to double up your Vitamin D3 in the northern hemisphere. It has been shown to be essential among older COVID patients to avoid adding to the death rate. There's a strong correlation between low serum Vitamin D among elderly patients and the most serious consequences.
Whole root astragalus (extract) is good for boosting your body's natural immune system, but check with your doctor before adding it to your routine. There can be some side effects or drug interactions.