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CLEAN ENERGY THAT LASTS ALL DAY: Fuel your focus — not anxiety. Each cup delivers 135mg of natural caffeine, as much as a strong cup of coffee, plus L-theanine for smooth, steady energy with less jitters and no crash. Perfect for morning meetings, study sessions, or all-day productivity.
NATURAL COFFEE SUBSTITUTE THAT’S GENTLER ON YOUR STOMACH: Skip the acidity and bloat of coffee. Zest high caffeine green tea provides the same energy boost in a clean, antioxidant-rich brew that’s easier on digestion and better for daily use. Ideal for health-conscious tea drinkers and coffee converts alike.
AWARD-WINNING FLAVOR & TRUSTED QUALITY" Named “Top New Product” at the World Tea Expo and enjoyed by over 1 million customers, Zest is the #1 best-selling high caffeine tea in the US. Each sip of Superberry Samba blends real strawberry, acai & passion fruit for vibrant, refreshing energy.
FOCUS TEA BACKED BY SCIENCE: Our energy teas combine caffeine, L-theanine, and natural antioxidants to support calm focus, mental clarity, and performance — perfect for busy professionals, students, and parents alike. Think of it as a green tea energy drink in a clean, natural form.
PREMIUM LOOSE LEAF, PLANET-FRIENDLY: Each pouch includes 50 servings of premium loose leaf black tea — plastic-free and designed for maximum flavor release. Enjoy your morning tea hot or iced, at home or on the go.