Tools & Calculators
Everything you need to optimize your green tea experience — from caffeine science to perfect brewing
Green Tea Caffeine Calculator
Calculate exact caffeine content by tea type, brewing method, and track daily intake
Caffeine Half-Life Calculator
Track how caffeine leaves your body with personalized metabolism profiles
Tea to Water Ratio
Perfect brewing ratios for all green tea varieties with nutrient estimation
Brewing Time Calculator
Water cooling, optimal steep times, and re-steeping schedules
Product Search
Find nutritional data for tea products via USDA and Open Food Facts
Caffeine Comparator
Compare caffeine across green tea, matcha, black tea, coffee, and espresso
Tea Quality Evaluator
Rate your green tea across 7 science-backed quality factors
Panera Green Tea Nutrition
FDA-style nutrition labels & caffeine data for every Panera Bread green tea
Starbucks Green Tea Nutrition
Full nutrition labels, caffeine & sugar analysis for every Starbucks green tea — matcha lattes to brewed
Green Tea Frappuccino Nutrition
FDA-style nutrition, caffeine & sugar analysis for the Starbucks Matcha Crème Frappuccino — all sizes, all milks
Why Green Tea Nutrify?
Built on evidence, designed for clarity
Evidence-Based
Calculations rooted in peer-reviewed research and pharmacokinetic models
Personalized
Customizable profiles for your metabolism, preferences, and lifestyle
Comprehensive
From caffeine tracking and brewing optimization to nutrient analysis