Tea facts

A conceptual cover illustration representing Bodhidharma and the Indian legend regarding the discovery of tea.
Will KlingnerMay 30, 2026
The Indian legend of tea's discovery tells the story of Bodhidharma, a Buddhist monk whose sacrifice gave birth to the Camellia sinensis plant.
Warm tea offering comfort for a sore throat
Arthur GautierMay 20, 2026
Not all teas soothe a sore throat the same way. Find out which Japanese teas are the best tea for sore throat, and how brewing temperature affects relief.
Camellia Sinensis: One Tea Plant To Rule Them All
Nio TeamMarch 26, 2026
Learn the secrets of camelia sinensis, the plant used to make all tea types. We’ll explore each camelia sinensis tea type and grow camelia sinensis seeds
Best Gift for Tea Lovers
Nio TeamJanuary 10, 2026
Find the best gifts for tea lovers with our ultimate gift guide. We’ll show you the hottest gifts of this upcoming season, plus what tea lovers really want  
Does Tea Expire? What the Experts Say
Nio TeamJanuary 6, 2026
Learn when does tea expire and what you can do to make it last longer. We’ll break down the expiration date of matcha, green tea, black tea and more!
What is L-theanine Good For? More Than You Might Think
Nio TeamJanuary 4, 2026
Learn what is l-theanine and what is it good for in our complete guide! We’ll cover what is l theanine good for when it comes to health, flavor and more
L-Theanine and Caffeine - Your Key to Calm Focus
Nio TeamJanuary 3, 2026
Learn the power of l-theanine and caffeine with our guide to l-theanine and caffeine benefits, l-theanine and caffeine side effects, and which teas are best
Vitamin C and Tea: Does Tea Have Vitamin C?
Nio TeamDecember 24, 2025
Learn about green tea vitamin C levels, vitamin C tea benefits, and how combining vitamin C with tea boosts antioxidants.
Cup of green tea surrounded by capsules symbolizing how long L-theanine lasts in the body and its absorption timeline.
Nio TeamDecember 19, 2025
Learn how long does l-theanine last and why it matters. We’ll explain the l-theanine half-life, how long l-theanine and caffeine last and the benefits