Tag: Fluorescent tea

According to scientific studies, palo azul tea's vibrant blue hue is caused by the fascinating phenomenon of fluorescence, where its flavonoids react with water. But seeing this 'blue wood' tea glow requires specific conditions, which can surprise new drinkers who expect a simple, brightly colored brew.

Unlike green or black tea, which contain moderate amounts of caffeine, the herbal infusion known as palo azul is completely caffeine-free, making it an excellent choice for those seeking a soothing, stimulant-free beverage.