# GreenTea.st - Tea Encyclopedia & Caffeine Calculator
# https://greentea.st

> GreenTea.st is a comprehensive tea encyclopedia covering 300+ teas with detailed profiles, brewing guides, health benefits, caffeine data, and a free caffeine calculator. Available in English, German, and Spanish.

## Main Tools
- [Tea Caffeine Calculator](https://greentea.st/tools/caffeine-calculator/): Track daily caffeine intake from tea, compare to safe limits, pregnancy mode
- [Tea Directory](https://greentea.st/tea-directory/): Browse and search 302 teas by category, caffeine level, origin
- [Tea Guides](https://greentea.st/guides/): 102 expert articles on brewing, health benefits, and tea culture

## Tea Categories
- Green Tea (58 varieties): Sencha, Matcha, Gyokuro, Longjing, Gunpowder, Jasmine Green
- Black Tea (39 varieties): Assam, Darjeeling, Earl Grey, English Breakfast, Ceylon, Keemun
- Oolong Tea (29 varieties): Tie Guan Yin, Da Hong Pao, Ali Shan, Dong Ding, Milk Oolong
- Herbal Tea (99 varieties): Chamomile, Peppermint, Hibiscus, Rooibos, Ginger, Lavender
- White Tea (14 varieties): Silver Needle, White Peony, Moonlight White
- Pu-erh Tea (22 varieties): Sheng, Shou, Aged Pu-erh
- Yellow Tea (5 varieties): Junshan Yinzhen, Meng Ding Huang Ya

## Key Data Points Per Tea
- Caffeine content (mg per cup)
- Brewing temperature (°C and °F)
- Steep time and leaf-to-water ratio
- Flavor profile and tasting notes
- Health benefits with scientific context
- Origin country and region
- Nutrition facts

## Languages
- English (root): https://greentea.st/
- German: https://greentea.st/de/
- Spanish: https://greentea.st/es/

## Contact
- Website: https://greentea.st
- Publisher: Blackcedar Media Limited