Springtime is in the air, literally. But the seasonal changes that bring great natural beauty may also have you running for cover. There are natural, plant products which studies show may help support you during this time. Quercetin has been shown to inhibit the release of histamine and to support balanced immune activity. Licorice, stinging nettle, turmeric, and bromelain are other plant ingredients that have been used for centuries for natural seasonal support.