Drinking a lot of tea daily offers antioxidants but can lead to issues like reduced iron absorption, anxiety, sleep disruption, and heartburn due to caffeine and tannins, especially if exceeding 4 cups; moderation (2-4 cups) is key for benefits, while excessive intake (over 8-10 cups) risks headaches, nervousness, and digestive upset, with pregnant women needing stricter limits.
However, too much of anything is detrimental to health. Overdoing tea consumption, too, can make you fall prey to a plethora of side effects such as sleep disturbances, digestive issues, caffeine dependency, etc. Therefore, try to exercise moderation when it comes to your daily tea intake.
Common Drinking Tea Side Effects (When It's the First Thing You Have)
Tea is a popular beverage cultivated and enjoyed for centuries, and many cultures worldwide enjoy their unique tea-drinking customs. Although there are many benefits to adding tea to our daily diets and lifestyles, health experts generally agree that we should stick to no more than 4 cups per day.
Massive black tea consumption has been linked to kidney failure due to its high oxalate content (acute oxalate nephropathy).
Research suggests that many of the health benefits associated with drinking tea—from a decreased risk of chronic diseases to longer lifespans—can be attributed to these bioactives. “It does make sense that we see populations who drink more tea live longer and do better,” Beckett says.
Nervous symptoms. Headache. Pain in the left side. Nausea.
“Green tea wins as the most healthy tea,” says Ashley Simper, the manager of dietetic services with OSF HealthCare “Drinking green tea, at least three or more cups a day, leads to health benefits when it comes to cardiovascular disease, cancer and the overall risk of mortality.”
But if you are prone to kidney stones, limit your tea consumption to 1-2 cups per day to avoid increasing your risk of kidney stones. Choose a Lower-Oxalate Tea: Green, white, and herbal teas have much lower oxalate levels than black tea. These can be a much better option for people at risk of developing kidney stones.
Dehydration from coffee, tea, or soft drinks can cause skin redness or inflammation. It can also lead to a dull complexion and skin dryness, which may result in premature fine lines and wrinkles.
The answer is YES, drinking green tea can cause stomach pain if not consumed correctly, for the following reasons: Drinking boiling or steeping tea at high temperature can harm your health. On the other hand, consuming cold tea can cause digestive issues like bloating, indigestion, and in severe cases, poisoning.
Diabetes and high blood pressure are the top culprits damaging kidneys most, as they harm the delicate filtering blood vessels, leading to chronic kidney disease (CKD) and failure; other major factors include smoking, obesity, dehydration, poor diet (high sugar/salt/red meat), certain medications (NSAIDs), lack of sleep, and genetic conditions. These factors create a cycle where damaged kidneys worsen blood pressure, further damaging them.
Here are 9 side effects of tea you can refer to to avoid overconsumption.
Three key early warning signs of kidney problems are changes in urination (more or less frequent, especially at night), foamy or bloody urine, and persistent swelling, particularly around the eyes, feet, or ankles, indicating fluid retention. Other common signs include persistent fatigue, nausea, itching, and loss of appetite, as toxins build up when kidneys aren't filtering effectively.
Teas that are unhealthy include comfrey, kava kava, black, and other teas. A warm cup of tea is a refreshing and soothing drink.
When you next make a cup of tea don't throw away the old bag because it has many uses that you might not know about. Black tea contains tannic acid and theobromine which removes heat from sunburn so rubbing cold tea water on sore skin will soothe pain. Old tea bags can also be used to flavour rice or pasta.
The best teas for weight loss include green tea (rich in fat-burning EGCG), matcha (whole leaf for more antioxidants), oolong tea (boosts metabolism and fat oxidation), and black tea (flavonoids support metabolism), along with herbal options like hibiscus, fennel, and cinnamon for appetite control and digestion, all working best alongside a healthy diet and exercise.
7 Side effects of drinking too much tea
“Never squeeze your teabags, as this can make your tea taste bitter due to the release of tannic acids,” explains Angela Pryce, senior tea buyer at Whittard. “Instead lift it out carefully after 3-5 minutes of brewing.” Our expert Dr Bond says five minutes is the optimum time to let your tea brew.
Signs of Consuming Too Much Caffeine
In recent years, many studies have shown the beauty benefits of drinking tea. The catechins contained in tea, especially green tea, have a strong antioxidant effect and are known to suppress the free radicals that cause aging and keep skin youthful.
We can also rule out foods that had yet to be introduced to the Middle East, such as tea, coffee or sugars derived from sugar beets or cane. Anything indigenous to the New World would have been impossible for Jesus to eat, such as maize corn, pumpkins, peppers, tomatoes, potatoes or chocolate.
The "2-hour coffee rule" suggests waiting 90 minutes to 2 hours after waking up to drink your first coffee, aligning caffeine intake with your body's natural cortisol (alertness hormone) cycle for better energy, reduced crashes, and improved efficiency, as cortisol peaks shortly after waking. While some recent research questions the necessity, many experts and users find delaying coffee allows for more effective alertness by letting natural wakefulness occur before adding stimulants, potentially building less tolerance and avoiding afternoon slumps.
Soda is one of the worst drinks for kidney health. Regular soda is packed with sugar and caffeine. Dark sodas also contain phosphorus additives. These can be harmful to people with kidney problems because they can cause bone and heart issues.