Benadryl (diphenhydramine) treats allergy and cold symptoms like a runny nose and sneezing, plus allergic reactions such as hives and swelling. Common side effects include sleepiness, dizziness, ...

Quercetin is a plant compound called a flavonoid found in foods like onions, peppers, berries, apples, and green tea. Its antioxidant properties may help reduce inflammation and support heart and ...