Quercetin, found in foods like apple and onion skins, enhances zinc absorption and acts as a powerful antioxidant, making it a go-to during allergy season. A recommended dosage of zinc ranges from 10 to 20 milligrams, but may increase during acute infections. Additionally, N-acetyl cysteine plays a vital role in boosting glutathione levels, combating oxidative stress, and alleviating mucus buildup in respiratory issues.
