![]() In fact, they’re present to some degree in all types of tea, because green, oolong and black tea are all made from the leaves of the Camellia sinensis plant. Many of those benefits have been traced to the presence of caffeine, and compounds known as polyphenols, flavonols and catechins, in green tea. ![]() It’s been shown to have positive effects on cardiovascular health, cholesterol and blood pressure, and research shows that it apparently has antioxidant, antibacterial and even anti-tumor properties. It’s no secret that green tea is good for you. There’s a lot more to learn about L-theanine, though, before you decide to add it to your health and wellness regime. It’s often used by people seeking stress and anxiety relief, or better attention and focus.īut is it safe? Are there L-theanine side effects to worry about?įrom what we know so far the supplement appears to be safe, and its side effects appear to be minimal at worst. That brings us to L-theanine, a dietary supplement which has become increasingly popular over the last few years. Well over 50% of American adults now take dietary supplements, which makes safety a crucial consideration when discussing any supplement. But even overconsumption of vitamins A and E has been linked to an increased risk of death. The weight loss supplements Ephedra and fen-phen, as well as herbal Viagra, are among the most notorious. Just like diets, many popular dietary supplements come and go – often, because they’re discovered to be unhealthy or dangerous. They’re the ones that had an actual basis in medical science. On the other hand, some diets like the Weight Watchers’ Diet, the Atkins Diet, the Paleo Diet and the Keto Diet soar to popularity and remain there. ![]() (Few people alive today will remember the “cigarette diet,” pushed by Lucky Strike in 1925.)Īnd if you blinked, you may have missed the Sleeping Beauty Diet, Deal-A-Meal, the Cotton Ball Diet and the Pioppi Diets in more recent years. Most readers are probably too old to remember the Lemonade Diet and the Cabbage Soup Diet, both of which had their moments of popularity in the early-to-mid 20th century. Sometimes they’re even gone before most people are aware of them.īut it’s important to understand the pros and cons of the ones that stick around for a while. That’s certainly the case with most fad diets – and it’s also true for dietary supplements like L-theanine. By the time you’re aware of the latest and hottest trends, they’re likely to be yesterday’s news. It can be difficult to keep up with fads.
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