Tea & wellness
Caffeine amounts, L-theanine, and tea-versus-coffee comparisons — written from published research themes, for informational purposes.
Showing all · 7 guides
-
Caffeine L-theanine Tea vs coffee Green teaTea vs Coffee: Caffeine, Focus, and a Mindful Habit
Tea vs coffee compared by per-cup caffeine, the L-theanine synergy, and a 4-occasion decision table — informational ranges, not medical advice.
-
Caffeine Tea vs coffeeBest Tea for Sleep: 5 Picks Compared (Caffeine-Free)
Five caffeine-free sleep teas compared on valerian content, organic certification, price per bag, and flavor profile — from $4.96 to $17.84.
-
L-theanine Green tea Matcha Tea vs coffeeL-Theanine in Tea: How Much, by Type, and Brewing Tips
L-theanine amounts by tea type (green, white, oolong, black), how brewing temperature and steeping shift the number, and a practical leaf calculator.
-
Green tea Matcha L-theanineTea and Meditation: How to Build a Mindful Tea Practice
How L-theanine in tea supports relaxed focus, which teas suit meditation, and a step-by-step breath-and-sip practice you can start today.
-
Caffeine L-theanine Tea vs coffeeTea and Sleep: Caffeine Timing, Evening Teas, and a Bedtime Ritual
Tea before bed: cut caffeine about 6 hours before sleep, then pick decaf, chamomile or rooibos. What the research supports, and what it doesn't.
-
Caffeine Matcha Green tea L-theanineMatcha Caffeine: Dose by Form, Gram, and Prep
How much caffeine is in matcha by gram, usucha, koicha, latte, and culinary scoop — plus scale protocol and a dose ladder. Informational ranges only.
-
Caffeine Matcha Green tea L-theanineCaffeine by Tea Type: mg per Cup, per 100 ml, per gram
Caffeine mg by tea type per cup, per 100 ml and per gram, plus the brew variables that move the number in your cup.
Tools
Tools for ranges
Caffeine (and tea vs coffee) plus matcha dose estimates — research-style, for informational purposes.