There's no denying that coffee is the most popular beve […]
There's no denying that coffee is the most popular beverage to enjoy first thing in the morning, but it's hard to ignore that more and more people have been making the switch to GREEN TEA 9371 to get their daily fix of caffeine. Regardless of when or how it's enjoyed, there are a few health benefits that give green tea a supercharged edge over many other hot beverages (including other types of tea).
To understand why, we first have to look at where certain teas come from. All varieties of tea are first brewed from the dried leaves of the Camellia Sinesis bush and can be divided into four different categories based on how oxidized they are. White tea is made from unoxidized buds, whereas oolong tea stems from particularly oxidized leaves, and black tea is made when completely oxidized leaves are steeped in hot water. Green tea, on the other hand, is made with unoxidized tea leaves — all of these varieties contain antioxidants, chiefly flavonoids, a group of plant-based chemicals that have been shown to reduce coronary inflammation. How you choose to brew your tea — and the kind of tea you've chosen to brew — can play a role in its final antioxidant counts. Green tea, however, has been shown to naturally contain the highest amount of flavonoids of the four varieties, according to a 2005 scholarly review published in the Journal of Food Composition and Analysis.
But some of the hype around this herbal superstar of a daily pick-me-up has led to confusion about its immediate health benefits. Here, we're confirming all the reasons why you should be drinking green tea — and debunking the most common myths about green tea's best attributes.
Green tea contains a compound that is antithetical to sleep: caffeine. Green tea contains only small amounts of caffeine, but may still cause problems sleeping for people sensitive to caffeine. This is due to the fact that chemical compounds in green tea prevent the release of hormones such as melatonin, which aid in sleep.
Green tea also contains l-theanine, a chemical that helps to induce calm, but also increases alertness and focus—something that may disrupt sleep for some individuals. Some research shows that l-theanine is beneficial for sleep; however, these studies have mainly been conducted on individuals with disorders including ADHD and schizophrenia (3)(4). Additional research shows that l-theanine may aid sleep by lowering heart rate through the inhibition of glutamate receptors in the brain (5).
These benefits may be outweighed by the presence of caffeine in green tea—particularly in matcha green tea. While research shows l-theanine is beneficial for sleep, there is no agreed upon dosage for it's effectiveness in the medical community. While most people may benefit from a cup of green tea before bed, people with caffeine sensitivity should consume it no later than 5 hours before bed.
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